Home / 13,771,246.20-20,656,869.30-12,259,591.80

Finding the Fourth Proportional to 13,771,246.20, 20,656,869.30 and 12,259,591.80

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Solution

The fourth proportional to 13,771,246.20, 20,656,869.30 and 12,259,591.80 is: 18,389,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,246.20 : 20,656,869.30 = 12,259,591.80 : x
  2. Step 2: Convert to fraction form
    13,771,246.20/20,656,869.30 = 12,259,591.80/x
  3. Step 3: Cross multiply
    13,771,246.20x = 20,656,869.30 × 12,259,591.80
  4. Step 4: Simplify right side
    13,771,246.20x = 253,244,785,483,951.75
  5. Step 5: Solve for x
    x = 253,244,785,483,951.75/13,771,246.20
  6. Step 6: Final answer
    x = 18,389,387.70

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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.