Home / 11,940,620.20-17,910,831.92-3,420,964.87

Finding the Fourth Proportional to 11,940,620.20, 17,910,831.92 and 3,420,964.87

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Solution

The fourth proportional to 11,940,620.20, 17,910,831.92 and 3,420,964.87 is: 5,131,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940,620.20 : 17,910,831.92 = 3,420,964.87 : x
  2. Step 2: Convert to fraction form
    11,940,620.20/17,910,831.92 = 3,420,964.87/x
  3. Step 3: Cross multiply
    11,940,620.20x = 17,910,831.92 × 3,420,964.87
  4. Step 4: Simplify right side
    11,940,620.20x = 61,272,326,728,912.75
  5. Step 5: Solve for x
    x = 61,272,326,728,912.75/11,940,620.20
  6. Step 6: Final answer
    x = 5,131,419.12

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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.