Finding the Fourth Proportional to 9,951,508.99, 13,737,319.74 and 6,690,215.33
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Solution
The fourth proportional to 9,951,508.99, 13,737,319.74 and 6,690,215.33 is: 9,235,345.83
Step by Step Solution
- Step 1: Write the proportion equation
9,951,508.99 : 13,737,319.74 = 6,690,215.33 : x - Step 2: Convert to fraction form
9,951,508.99/13,737,319.74 = 6,690,215.33/x - Step 3: Cross multiply
9,951,508.99x = 13,737,319.74 × 6,690,215.33 - Step 4: Simplify right side
9,951,508.99x = 91,905,627,061,853.12 - Step 5: Solve for x
x = 91,905,627,061,853.12/9,951,508.99 - Step 6: Final answer
x = 9,235,345.83
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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.