Home / 38,661,909.32-57,954,557.68-18,154,919.36

Finding the Fourth Proportional to 38,661,909.32, 57,954,557.68 and 18,154,919.36

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Solution

The fourth proportional to 38,661,909.32, 57,954,557.68 and 18,154,919.36 is: 27,214,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661,909.32 : 57,954,557.68 = 18,154,919.36 : x
  2. Step 2: Convert to fraction form
    38,661,909.32/57,954,557.68 = 18,154,919.36/x
  3. Step 3: Cross multiply
    38,661,909.32x = 57,954,557.68 × 18,154,919.36
  4. Step 4: Simplify right side
    38,661,909.32x = 1,052,160,321,224,868.62
  5. Step 5: Solve for x
    x = 1,052,160,321,224,868.62/38,661,909.32
  6. Step 6: Final answer
    x = 27,214,391.11

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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.