Finding the Fourth Proportional to 29,438,414.60, 40,625,013.96 and 16,385,393.25
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Solution
The fourth proportional to 29,438,414.60, 40,625,013.96 and 16,385,393.25 is: 22,611,843.70
Step by Step Solution
- Step 1: Write the proportion equation
29,438,414.60 : 40,625,013.96 = 16,385,393.25 : x - Step 2: Convert to fraction form
29,438,414.60/40,625,013.96 = 16,385,393.25/x - Step 3: Cross multiply
29,438,414.60x = 40,625,013.96 × 16,385,393.25 - Step 4: Simplify right side
29,438,414.60x = 665,656,829,521,339.75 - Step 5: Solve for x
x = 665,656,829,521,339.75/29,438,414.60 - Step 6: Final answer
x = 22,611,843.70
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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.