Finding the Fourth Proportional to 18,727,674.84, 27,894,034.17 and 17,887,404.84
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Solution
The fourth proportional to 18,727,674.84, 27,894,034.17 and 17,887,404.84 is: 26,642,489.58
Step by Step Solution
- Step 1: Write the proportion equation
18,727,674.84 : 27,894,034.17 = 17,887,404.84 : x - Step 2: Convert to fraction form
18,727,674.84/27,894,034.17 = 17,887,404.84/x - Step 3: Cross multiply
18,727,674.84x = 27,894,034.17 × 17,887,404.84 - Step 4: Simplify right side
18,727,674.84x = 498,951,881,819,583.44 - Step 5: Solve for x
x = 498,951,881,819,583.44/18,727,674.84 - Step 6: Final answer
x = 26,642,489.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.