Home / 7,198,738.72-9,934,294.56-3,935,553.61

Finding the Fourth Proportional to 7,198,738.72, 9,934,294.56 and 3,935,553.61

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Solution

The fourth proportional to 7,198,738.72, 9,934,294.56 and 3,935,553.61 is: 5,431,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198,738.72 : 9,934,294.56 = 3,935,553.61 : x
  2. Step 2: Convert to fraction form
    7,198,738.72/9,934,294.56 = 3,935,553.61/x
  3. Step 3: Cross multiply
    7,198,738.72x = 9,934,294.56 × 3,935,553.61
  4. Step 4: Simplify right side
    7,198,738.72x = 39,096,948,836,453.05
  5. Step 5: Solve for x
    x = 39,096,948,836,453.05/7,198,738.72
  6. Step 6: Final answer
    x = 5,431,083.19

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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.