Home / 12,822,035.28-17,694,082.83-7,164,174.61

Finding the Fourth Proportional to 12,822,035.28, 17,694,082.83 and 7,164,174.61

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Solution

The fourth proportional to 12,822,035.28, 17,694,082.83 and 7,164,174.61 is: 9,886,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,035.28 : 17,694,082.83 = 7,164,174.61 : x
  2. Step 2: Convert to fraction form
    12,822,035.28/17,694,082.83 = 7,164,174.61/x
  3. Step 3: Cross multiply
    12,822,035.28x = 17,694,082.83 × 7,164,174.61
  4. Step 4: Simplify right side
    12,822,035.28x = 126,763,498,957,922.94
  5. Step 5: Solve for x
    x = 126,763,498,957,922.94/12,822,035.28
  6. Step 6: Final answer
    x = 9,886,378.90

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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.