Home / 12,474,204.20-18,711,306.30-10,647,621.80

Finding the Fourth Proportional to 12,474,204.20, 18,711,306.30 and 10,647,621.80

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Solution

The fourth proportional to 12,474,204.20, 18,711,306.30 and 10,647,621.80 is: 15,971,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,204.20 : 18,711,306.30 = 10,647,621.80 : x
  2. Step 2: Convert to fraction form
    12,474,204.20/18,711,306.30 = 10,647,621.80/x
  3. Step 3: Cross multiply
    12,474,204.20x = 18,711,306.30 × 10,647,621.80
  4. Step 4: Simplify right side
    12,474,204.20x = 199,230,912,866,357.38
  5. Step 5: Solve for x
    x = 199,230,912,866,357.38/12,474,204.20
  6. Step 6: Final answer
    x = 15,971,432.70

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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.