Home / 38,438,170.92-53,044,679.52-21,034,515.24

Finding the Fourth Proportional to 38,438,170.92, 53,044,679.52 and 21,034,515.24

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Solution

The fourth proportional to 38,438,170.92, 53,044,679.52 and 21,034,515.24 is: 29,027,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438,170.92 : 53,044,679.52 = 21,034,515.24 : x
  2. Step 2: Convert to fraction form
    38,438,170.92/53,044,679.52 = 21,034,515.24/x
  3. Step 3: Cross multiply
    38,438,170.92x = 53,044,679.52 × 21,034,515.24
  4. Step 4: Simplify right side
    38,438,170.92x = 1,115,769,119,764,355.88
  5. Step 5: Solve for x
    x = 1,115,769,119,764,355.88/38,438,170.92
  6. Step 6: Final answer
    x = 29,027,633.03

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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.