Home / 12,482,401.20-18,723,601.80-9,648,049.20

Finding the Fourth Proportional to 12,482,401.20, 18,723,601.80 and 9,648,049.20

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Solution

The fourth proportional to 12,482,401.20, 18,723,601.80 and 9,648,049.20 is: 14,472,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,401.20 : 18,723,601.80 = 9,648,049.20 : x
  2. Step 2: Convert to fraction form
    12,482,401.20/18,723,601.80 = 9,648,049.20/x
  3. Step 3: Cross multiply
    12,482,401.20x = 18,723,601.80 × 9,648,049.20
  4. Step 4: Simplify right side
    12,482,401.20x = 180,646,231,367,608.56
  5. Step 5: Solve for x
    x = 180,646,231,367,608.56/12,482,401.20
  6. Step 6: Final answer
    x = 14,472,073.80

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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.