Home / 20,937,766.20-31,383,321.30-8,154,022.20

Finding the Fourth Proportional to 20,937,766.20, 31,383,321.30 and 8,154,022.20

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Solution

The fourth proportional to 20,937,766.20, 31,383,321.30 and 8,154,022.20 is: 12,221,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937,766.20 : 31,383,321.30 = 8,154,022.20 : x
  2. Step 2: Convert to fraction form
    20,937,766.20/31,383,321.30 = 8,154,022.20/x
  3. Step 3: Cross multiply
    20,937,766.20x = 31,383,321.30 × 8,154,022.20
  4. Step 4: Simplify right side
    20,937,766.20x = 255,900,298,589,932.88
  5. Step 5: Solve for x
    x = 255,900,298,589,932.88/20,937,766.20
  6. Step 6: Final answer
    x = 12,221,948.42

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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.