Home / 7,200,456.64-9,934,715.17-4,102,913.71

Finding the Fourth Proportional to 7,200,456.64, 9,934,715.17 and 4,102,913.71

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Solution

The fourth proportional to 7,200,456.64, 9,934,715.17 and 4,102,913.71 is: 5,660,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,456.64 : 9,934,715.17 = 4,102,913.71 : x
  2. Step 2: Convert to fraction form
    7,200,456.64/9,934,715.17 = 4,102,913.71/x
  3. Step 3: Cross multiply
    7,200,456.64x = 9,934,715.17 × 4,102,913.71
  4. Step 4: Simplify right side
    7,200,456.64x = 40,761,279,040,843.91
  5. Step 5: Solve for x
    x = 40,761,279,040,843.91/7,200,456.64
  6. Step 6: Final answer
    x = 5,660,929.73

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1.5x scale

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.