Home / 18,468,610.80-27,702,916.20-15,322,882.80

Finding the Fourth Proportional to 18,468,610.80, 27,702,916.20 and 15,322,882.80

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Solution

The fourth proportional to 18,468,610.80, 27,702,916.20 and 15,322,882.80 is: 22,984,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,610.80 : 27,702,916.20 = 15,322,882.80 : x
  2. Step 2: Convert to fraction form
    18,468,610.80/27,702,916.20 = 15,322,882.80/x
  3. Step 3: Cross multiply
    18,468,610.80x = 27,702,916.20 × 15,322,882.80
  4. Step 4: Simplify right side
    18,468,610.80x = 424,488,538,150,821.38
  5. Step 5: Solve for x
    x = 424,488,538,150,821.38/18,468,610.80
  6. Step 6: Final answer
    x = 22,984,324.20

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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.