Home / 8,656,789.20-12,985,183.80-4,167,982.80

Finding the Fourth Proportional to 8,656,789.20, 12,985,183.80 and 4,167,982.80

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Solution

The fourth proportional to 8,656,789.20, 12,985,183.80 and 4,167,982.80 is: 6,251,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,789.20 : 12,985,183.80 = 4,167,982.80 : x
  2. Step 2: Convert to fraction form
    8,656,789.20/12,985,183.80 = 4,167,982.80/x
  3. Step 3: Cross multiply
    8,656,789.20x = 12,985,183.80 × 4,167,982.80
  4. Step 4: Simplify right side
    8,656,789.20x = 54,122,022,733,238.64
  5. Step 5: Solve for x
    x = 54,122,022,733,238.64/8,656,789.20
  6. Step 6: Final answer
    x = 6,251,974.20

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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.