Finding the Fourth Proportional to 19,915,565.24, 27,489,572.70 and 11,657,559.08
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Solution
The fourth proportional to 19,915,565.24, 27,489,572.70 and 11,657,559.08 is: 16,090,997.87
Step by Step Solution
- Step 1: Write the proportion equation
19,915,565.24 : 27,489,572.70 = 11,657,559.08 : x - Step 2: Convert to fraction form
19,915,565.24/27,489,572.70 = 11,657,559.08/x - Step 3: Cross multiply
19,915,565.24x = 27,489,572.70 × 11,657,559.08 - Step 4: Simplify right side
19,915,565.24x = 320,461,317,834,205.12 - Step 5: Solve for x
x = 320,461,317,834,205.12/19,915,565.24 - Step 6: Final answer
x = 16,090,997.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.