Home / 18,217,099.72-27,324,716.46-5,437,710.28

Finding the Fourth Proportional to 18,217,099.72, 27,324,716.46 and 5,437,710.28

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Solution

The fourth proportional to 18,217,099.72, 27,324,716.46 and 5,437,710.28 is: 8,156,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,099.72 : 27,324,716.46 = 5,437,710.28 : x
  2. Step 2: Convert to fraction form
    18,217,099.72/27,324,716.46 = 5,437,710.28/x
  3. Step 3: Cross multiply
    18,217,099.72x = 27,324,716.46 × 5,437,710.28
  4. Step 4: Simplify right side
    18,217,099.72x = 148,583,891,592,627.22
  5. Step 5: Solve for x
    x = 148,583,891,592,627.22/18,217,099.72
  6. Step 6: Final answer
    x = 8,156,286.89

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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.