Home / 13,664,082.67-18,856,434.96-7,469,153.92

Finding the Fourth Proportional to 13,664,082.67, 18,856,434.96 and 7,469,153.92

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Solution

The fourth proportional to 13,664,082.67, 18,856,434.96 and 7,469,153.92 is: 10,307,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,082.67 : 18,856,434.96 = 7,469,153.92 : x
  2. Step 2: Convert to fraction form
    13,664,082.67/18,856,434.96 = 7,469,153.92/x
  3. Step 3: Cross multiply
    13,664,082.67x = 18,856,434.96 × 7,469,153.92
  4. Step 4: Simplify right side
    13,664,082.67x = 140,841,615,098,709.06
  5. Step 5: Solve for x
    x = 140,841,615,098,709.06/13,664,082.67
  6. Step 6: Final answer
    x = 10,307,432.89

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1.5x scale

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.