Finding the Fourth Proportional to 18,708,814.08, 28,063,286.12 and 5,754,876.93
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Solution
The fourth proportional to 18,708,814.08, 28,063,286.12 and 5,754,876.93 is: 8,632,335.39
Step by Step Solution
- Step 1: Write the proportion equation
18,708,814.08 : 28,063,286.12 = 5,754,876.93 : x - Step 2: Convert to fraction form
18,708,814.08/28,063,286.12 = 5,754,876.93/x - Step 3: Cross multiply
18,708,814.08x = 28,063,286.12 × 5,754,876.93 - Step 4: Simplify right side
18,708,814.08x = 161,500,757,886,364.38 - Step 5: Solve for x
x = 161,500,757,886,364.38/18,708,814.08 - Step 6: Final answer
x = 8,632,335.39
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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.