Home / 26,471,600.80-39,707,401.20-8,520,704.80

Finding the Fourth Proportional to 26,471,600.80, 39,707,401.20 and 8,520,704.80

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Solution

The fourth proportional to 26,471,600.80, 39,707,401.20 and 8,520,704.80 is: 12,781,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471,600.80 : 39,707,401.20 = 8,520,704.80 : x
  2. Step 2: Convert to fraction form
    26,471,600.80/39,707,401.20 = 8,520,704.80/x
  3. Step 3: Cross multiply
    26,471,600.80x = 39,707,401.20 × 8,520,704.80
  4. Step 4: Simplify right side
    26,471,600.80x = 338,335,044,000,365.81
  5. Step 5: Solve for x
    x = 338,335,044,000,365.81/26,471,600.80
  6. Step 6: Final answer
    x = 12,781,057.20

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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.