Home / 12,231,649.76-18,347,585.00-3,711,986.19

Finding the Fourth Proportional to 12,231,649.76, 18,347,585.00 and 3,711,986.19

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Solution

The fourth proportional to 12,231,649.76, 18,347,585.00 and 3,711,986.19 is: 5,568,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,649.76 : 18,347,585.00 = 3,711,986.19 : x
  2. Step 2: Convert to fraction form
    12,231,649.76/18,347,585.00 = 3,711,986.19/x
  3. Step 3: Cross multiply
    12,231,649.76x = 18,347,585.00 × 3,711,986.19
  4. Step 4: Simplify right side
    12,231,649.76x = 68,105,982,121,291.22
  5. Step 5: Solve for x
    x = 68,105,982,121,291.22/12,231,649.76
  6. Step 6: Final answer
    x = 5,568,012.78

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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.