Home / 38,421,687.60-57,612,832.20-11,491,844.40

Finding the Fourth Proportional to 38,421,687.60, 57,612,832.20 and 11,491,844.40

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Solution

The fourth proportional to 38,421,687.60, 57,612,832.20 and 11,491,844.40 is: 17,231,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421,687.60 : 57,612,832.20 = 11,491,844.40 : x
  2. Step 2: Convert to fraction form
    38,421,687.60/57,612,832.20 = 11,491,844.40/x
  3. Step 3: Cross multiply
    38,421,687.60x = 57,612,832.20 × 11,491,844.40
  4. Step 4: Simplify right side
    38,421,687.60x = 662,077,703,085,709.75
  5. Step 5: Solve for x
    x = 662,077,703,085,709.75/38,421,687.60
  6. Step 6: Final answer
    x = 17,231,874.61

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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.