Home / 26,571,028.80-39,856,543.20-8,620,132.80

Finding the Fourth Proportional to 26,571,028.80, 39,856,543.20 and 8,620,132.80

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Solution

The fourth proportional to 26,571,028.80, 39,856,543.20 and 8,620,132.80 is: 12,930,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571,028.80 : 39,856,543.20 = 8,620,132.80 : x
  2. Step 2: Convert to fraction form
    26,571,028.80/39,856,543.20 = 8,620,132.80/x
  3. Step 3: Cross multiply
    26,571,028.80x = 39,856,543.20 × 8,620,132.80
  4. Step 4: Simplify right side
    26,571,028.80x = 343,568,695,332,937
  5. Step 5: Solve for x
    x = 343,568,695,332,937/26,571,028.80
  6. Step 6: Final answer
    x = 12,930,199.20

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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.