Finding the Fourth Proportional to 16,115,979.08, 24,182,366.70 and 7,138,431.56
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Solution
The fourth proportional to 16,115,979.08, 24,182,366.70 and 7,138,431.56 is: 10,711,367.20
Step by Step Solution
- Step 1: Write the proportion equation
16,115,979.08 : 24,182,366.70 = 7,138,431.56 : x - Step 2: Convert to fraction form
16,115,979.08/24,182,366.70 = 7,138,431.56/x - Step 3: Cross multiply
16,115,979.08x = 24,182,366.70 × 7,138,431.56 - Step 4: Simplify right side
16,115,979.08x = 172,624,169,733,998.09 - Step 5: Solve for x
x = 172,624,169,733,998.09/16,115,979.08 - Step 6: Final answer
x = 10,711,367.20
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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.