Finding the Fourth Proportional to 18,376,251.53, 27,581,410.66 and 9,284,738.98
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Solution
The fourth proportional to 18,376,251.53, 27,581,410.66 and 9,284,738.98 is: 13,935,714.71
Step by Step Solution
- Step 1: Write the proportion equation
18,376,251.53 : 27,581,410.66 = 9,284,738.98 : x - Step 2: Convert to fraction form
18,376,251.53/27,581,410.66 = 9,284,738.98/x - Step 3: Cross multiply
18,376,251.53x = 27,581,410.66 × 9,284,738.98 - Step 4: Simplify right side
18,376,251.53x = 256,086,198,678,289.53 - Step 5: Solve for x
x = 256,086,198,678,289.53/18,376,251.53 - Step 6: Final answer
x = 13,935,714.71
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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.