Finding the Fourth Proportional to 7,934,789.52, 11,903,305.14 and 2,542,178.48
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Solution
The fourth proportional to 7,934,789.52, 11,903,305.14 and 2,542,178.48 is: 3,813,626.82
Step by Step Solution
- Step 1: Write the proportion equation
7,934,789.52 : 11,903,305.14 = 2,542,178.48 : x - Step 2: Convert to fraction form
7,934,789.52/11,903,305.14 = 2,542,178.48/x - Step 3: Cross multiply
7,934,789.52x = 11,903,305.14 × 2,542,178.48 - Step 4: Simplify right side
7,934,789.52x = 30,260,326,108,264.86 - Step 5: Solve for x
x = 30,260,326,108,264.86/7,934,789.52 - Step 6: Final answer
x = 3,813,626.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.