Home / 26,517,396.20-39,782,078.87-8,074,990.98

Finding the Fourth Proportional to 26,517,396.20, 39,782,078.87 and 8,074,990.98

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Solution

The fourth proportional to 26,517,396.20, 39,782,078.87 and 8,074,990.98 is: 12,114,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,517,396.20 : 39,782,078.87 = 8,074,990.98 : x
  2. Step 2: Convert to fraction form
    26,517,396.20/39,782,078.87 = 8,074,990.98/x
  3. Step 3: Cross multiply
    26,517,396.20x = 39,782,078.87 × 8,074,990.98
  4. Step 4: Simplify right side
    26,517,396.20x = 321,239,928,000,523.69
  5. Step 5: Solve for x
    x = 321,239,928,000,523.69/26,517,396.20
  6. Step 6: Final answer
    x = 12,114,308.87

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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.