Finding the Fourth Proportional to 18,331,070.72, 27,454,743.68 and 8,753,191.68
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Solution
The fourth proportional to 18,331,070.72, 27,454,743.68 and 8,753,191.68 is: 13,109,797.98
Step by Step Solution
- Step 1: Write the proportion equation
18,331,070.72 : 27,454,743.68 = 8,753,191.68 : x - Step 2: Convert to fraction form
18,331,070.72/27,454,743.68 = 8,753,191.68/x - Step 3: Cross multiply
18,331,070.72x = 27,454,743.68 × 8,753,191.68 - Step 4: Simplify right side
18,331,070.72x = 240,316,633,956,308.56 - Step 5: Solve for x
x = 240,316,633,956,308.56/18,331,070.72 - Step 6: Final answer
x = 13,109,797.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.