Home / 10,332,629.32-15,508,520.70-5,218,650.64

Finding the Fourth Proportional to 10,332,629.32, 15,508,520.70 and 5,218,650.64

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Solution

The fourth proportional to 10,332,629.32, 15,508,520.70 and 5,218,650.64 is: 7,832,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332,629.32 : 15,508,520.70 = 5,218,650.64 : x
  2. Step 2: Convert to fraction form
    10,332,629.32/15,508,520.70 = 5,218,650.64/x
  3. Step 3: Cross multiply
    10,332,629.32x = 15,508,520.70 × 5,218,650.64
  4. Step 4: Simplify right side
    10,332,629.32x = 80,933,551,476,508.23
  5. Step 5: Solve for x
    x = 80,933,551,476,508.23/10,332,629.32
  6. Step 6: Final answer
    x = 7,832,812.83

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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.