Finding the Fourth Proportional to 29,073,839.40, 40,122,167.43 and 16,021,565.40
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Solution
The fourth proportional to 29,073,839.40, 40,122,167.43 and 16,021,565.40 is: 22,109,908.52
Step by Step Solution
- Step 1: Write the proportion equation
29,073,839.40 : 40,122,167.43 = 16,021,565.40 : x - Step 2: Convert to fraction form
29,073,839.40/40,122,167.43 = 16,021,565.40/x - Step 3: Cross multiply
29,073,839.40x = 40,122,167.43 × 16,021,565.40 - Step 4: Simplify right side
29,073,839.40x = 642,819,929,469,494.88 - Step 5: Solve for x
x = 642,819,929,469,494.88/29,073,839.40 - Step 6: Final answer
x = 22,109,908.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.