Home / 12,288,002.20-18,432,003.30-10,496,411.80

Finding the Fourth Proportional to 12,288,002.20, 18,432,003.30 and 10,496,411.80

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Solution

The fourth proportional to 12,288,002.20, 18,432,003.30 and 10,496,411.80 is: 15,744,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,002.20 : 18,432,003.30 = 10,496,411.80 : x
  2. Step 2: Convert to fraction form
    12,288,002.20/18,432,003.30 = 10,496,411.80/x
  3. Step 3: Cross multiply
    12,288,002.20x = 18,432,003.30 × 10,496,411.80
  4. Step 4: Simplify right side
    12,288,002.20x = 193,469,896,935,758.97
  5. Step 5: Solve for x
    x = 193,469,896,935,758.97/12,288,002.20
  6. Step 6: Final answer
    x = 15,744,617.70

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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.