Home / 12,366,935.60-18,541,546.05-5,174,767.40

Finding the Fourth Proportional to 12,366,935.60, 18,541,546.05 and 5,174,767.40

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Solution

The fourth proportional to 12,366,935.60, 18,541,546.05 and 5,174,767.40 is: 7,758,444.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,935.60 : 18,541,546.05 = 5,174,767.40 : x
  2. Step 2: Convert to fraction form
    12,366,935.60/18,541,546.05 = 5,174,767.40/x
  3. Step 3: Cross multiply
    12,366,935.60x = 18,541,546.05 × 5,174,767.40
  4. Step 4: Simplify right side
    12,366,935.60x = 95,948,188,045,138.78
  5. Step 5: Solve for x
    x = 95,948,188,045,138.78/12,366,935.60
  6. Step 6: Final answer
    x = 7,758,444.87

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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.