Home / 12,297,839.20-18,452,007.60-5,904,800.80

Finding the Fourth Proportional to 12,297,839.20, 18,452,007.60 and 5,904,800.80

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Solution

The fourth proportional to 12,297,839.20, 18,452,007.60 and 5,904,800.80 is: 8,859,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,839.20 : 18,452,007.60 = 5,904,800.80 : x
  2. Step 2: Convert to fraction form
    12,297,839.20/18,452,007.60 = 5,904,800.80/x
  3. Step 3: Cross multiply
    12,297,839.20x = 18,452,007.60 × 5,904,800.80
  4. Step 4: Simplify right side
    12,297,839.20x = 108,955,429,238,086.08
  5. Step 5: Solve for x
    x = 108,955,429,238,086.08/12,297,839.20
  6. Step 6: Final answer
    x = 8,859,721.41

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1.5x scale

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.