Finding the Fourth Proportional to 27,187,981.67, 37,522,609.55 and 15,268,754.12
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Solution
The fourth proportional to 27,187,981.67, 37,522,609.55 and 15,268,754.12 is: 21,072,674.90
Step by Step Solution
- Step 1: Write the proportion equation
27,187,981.67 : 37,522,609.55 = 15,268,754.12 : x - Step 2: Convert to fraction form
27,187,981.67/37,522,609.55 = 15,268,754.12/x - Step 3: Cross multiply
27,187,981.67x = 37,522,609.55 × 15,268,754.12 - Step 4: Simplify right side
27,187,981.67x = 572,923,498,895,757.12 - Step 5: Solve for x
x = 572,923,498,895,757.12/27,187,981.67 - Step 6: Final answer
x = 21,072,674.90
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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.