Home / 12,343,100.46-18,517,606.78-5,150,633.38

Finding the Fourth Proportional to 12,343,100.46, 18,517,606.78 and 5,150,633.38

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Solution

The fourth proportional to 12,343,100.46, 18,517,606.78 and 5,150,633.38 is: 7,727,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,100.46 : 18,517,606.78 = 5,150,633.38 : x
  2. Step 2: Convert to fraction form
    12,343,100.46/18,517,606.78 = 5,150,633.38/x
  3. Step 3: Cross multiply
    12,343,100.46x = 18,517,606.78 × 5,150,633.38
  4. Step 4: Simplify right side
    12,343,100.46x = 95,377,403,598,782.33
  5. Step 5: Solve for x
    x = 95,377,403,598,782.33/12,343,100.46
  6. Step 6: Final answer
    x = 7,727,183.61

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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.