Home / 20,982,246.68-31,454,698.26-8,199,844.76

Finding the Fourth Proportional to 20,982,246.68, 31,454,698.26 and 8,199,844.76

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Solution

The fourth proportional to 20,982,246.68, 31,454,698.26 and 8,199,844.76 is: 12,292,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982,246.68 : 31,454,698.26 = 8,199,844.76 : x
  2. Step 2: Convert to fraction form
    20,982,246.68/31,454,698.26 = 8,199,844.76/x
  3. Step 3: Cross multiply
    20,982,246.68x = 31,454,698.26 × 8,199,844.76
  4. Step 4: Simplify right side
    20,982,246.68x = 257,923,642,704,642.12
  5. Step 5: Solve for x
    x = 257,923,642,704,642.12/20,982,246.68
  6. Step 6: Final answer
    x = 12,292,470.23

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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.