Finding the Fourth Proportional to 11,639,137.92, 16,062,508.80 and 6,482,500.80
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Solution
The fourth proportional to 11,639,137.92, 16,062,508.80 and 6,482,500.80 is: 8,946,128.73
Step by Step Solution
- Step 1: Write the proportion equation
11,639,137.92 : 16,062,508.80 = 6,482,500.80 : x - Step 2: Convert to fraction form
11,639,137.92/16,062,508.80 = 6,482,500.80/x - Step 3: Cross multiply
11,639,137.92x = 16,062,508.80 × 6,482,500.80 - Step 4: Simplify right side
11,639,137.92x = 104,125,226,146,007.05 - Step 5: Solve for x
x = 104,125,226,146,007.05/11,639,137.92 - Step 6: Final answer
x = 8,946,128.73
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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.