Home / 38,665,129.40-57,995,850.90-13,103,631.80

Finding the Fourth Proportional to 38,665,129.40, 57,995,850.90 and 13,103,631.80

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Solution

The fourth proportional to 38,665,129.40, 57,995,850.90 and 13,103,631.80 is: 19,654,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665,129.40 : 57,995,850.90 = 13,103,631.80 : x
  2. Step 2: Convert to fraction form
    38,665,129.40/57,995,850.90 = 13,103,631.80/x
  3. Step 3: Cross multiply
    38,665,129.40x = 57,995,850.90 × 13,103,631.80
  4. Step 4: Simplify right side
    38,665,129.40x = 759,956,276,121,298.62
  5. Step 5: Solve for x
    x = 759,956,276,121,298.62/38,665,129.40
  6. Step 6: Final answer
    x = 19,654,823.04

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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.