Finding the Fourth Proportional to 16,128,543.80, 24,192,815.70 and 10,156,575.80
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Solution
The fourth proportional to 16,128,543.80, 24,192,815.70 and 10,156,575.80 is: 15,234,863.70
Step by Step Solution
- Step 1: Write the proportion equation
16,128,543.80 : 24,192,815.70 = 10,156,575.80 : x - Step 2: Convert to fraction form
16,128,543.80/24,192,815.70 = 10,156,575.80/x - Step 3: Cross multiply
16,128,543.80x = 24,192,815.70 × 10,156,575.80 - Step 4: Simplify right side
16,128,543.80x = 245,716,166,472,480.06 - Step 5: Solve for x
x = 245,716,166,472,480.06/16,128,543.80 - Step 6: Final answer
x = 15,234,863.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.