Finding the Fourth Proportional to 29,073,086.19, 40,120,862.49 and 16,857,029.07
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Solution
The fourth proportional to 29,073,086.19, 40,120,862.49 and 16,857,029.07 is: 23,262,702.17
Step by Step Solution
- Step 1: Write the proportion equation
29,073,086.19 : 40,120,862.49 = 16,857,029.07 : x - Step 2: Convert to fraction form
29,073,086.19/40,120,862.49 = 16,857,029.07/x - Step 3: Cross multiply
29,073,086.19x = 40,120,862.49 × 16,857,029.07 - Step 4: Simplify right side
29,073,086.19x = 676,318,545,307,402.62 - Step 5: Solve for x
x = 676,318,545,307,402.62/29,073,086.19 - Step 6: Final answer
x = 23,262,702.17
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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.