Finding the Fourth Proportional to 16,138,959.40, 24,236,432.70 and 8,580,687.40
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Solution
The fourth proportional to 16,138,959.40, 24,236,432.70 and 8,580,687.40 is: 12,885,914.61
Step by Step Solution
- Step 1: Write the proportion equation
16,138,959.40 : 24,236,432.70 = 8,580,687.40 : x - Step 2: Convert to fraction form
16,138,959.40/24,236,432.70 = 8,580,687.40/x - Step 3: Cross multiply
16,138,959.40x = 24,236,432.70 × 8,580,687.40 - Step 4: Simplify right side
16,138,959.40x = 207,965,252,689,837.97 - Step 5: Solve for x
x = 207,965,252,689,837.97/16,138,959.40 - Step 6: Final answer
x = 12,885,914.61
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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.