find i

"how the type will be transformed"... I don't really understand what you mean by that.

To find i you would do the following

63.810=50.000(1+i)^10

63.810/50.000 = (1+i)^10

(63.810/50.000)^(0.1) = 1+i

(63.810/50.000)^(0.1) - 1 = i