Home / 39,874,900.40-55,037,600.20-25,970,902.10

Finding the Fourth Proportional to 39,874,900.40, 55,037,600.20 and 25,970,902.10

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Solution

The fourth proportional to 39,874,900.40, 55,037,600.20 and 25,970,902.10 is: 35,846,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874,900.40 : 55,037,600.20 = 25,970,902.10 : x
  2. Step 2: Convert to fraction form
    39,874,900.40/55,037,600.20 = 25,970,902.10/x
  3. Step 3: Cross multiply
    39,874,900.40x = 55,037,600.20 × 25,970,902.10
  4. Step 4: Simplify right side
    39,874,900.40x = 1,429,376,126,613,140.50
  5. Step 5: Solve for x
    x = 1,429,376,126,613,140.50/39,874,900.40
  6. Step 6: Final answer
    x = 35,846,512.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.