Home / 38,491,187.28-57,745,389.60-12,931,494.72

Finding the Fourth Proportional to 38,491,187.28, 57,745,389.60 and 12,931,494.72

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Solution

The fourth proportional to 38,491,187.28, 57,745,389.60 and 12,931,494.72 is: 19,400,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491,187.28 : 57,745,389.60 = 12,931,494.72 : x
  2. Step 2: Convert to fraction form
    38,491,187.28/57,745,389.60 = 12,931,494.72/x
  3. Step 3: Cross multiply
    38,491,187.28x = 57,745,389.60 × 12,931,494.72
  4. Step 4: Simplify right side
    38,491,187.28x = 746,734,200,716,743
  5. Step 5: Solve for x
    x = 746,734,200,716,743/38,491,187.28
  6. Step 6: Final answer
    x = 19,400,134.25

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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.