Home / 20,855,446.20-31,283,169.30-20,005,140.60

Finding the Fourth Proportional to 20,855,446.20, 31,283,169.30 and 20,005,140.60

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Solution

The fourth proportional to 20,855,446.20, 31,283,169.30 and 20,005,140.60 is: 30,007,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855,446.20 : 31,283,169.30 = 20,005,140.60 : x
  2. Step 2: Convert to fraction form
    20,855,446.20/31,283,169.30 = 20,005,140.60/x
  3. Step 3: Cross multiply
    20,855,446.20x = 31,283,169.30 × 20,005,140.60
  4. Step 4: Simplify right side
    20,855,446.20x = 625,824,200,260,103.62
  5. Step 5: Solve for x
    x = 625,824,200,260,103.62/20,855,446.20
  6. Step 6: Final answer
    x = 30,007,710.90

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1.5x scale

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.