Home / 12,108,823.38-18,145,291.77-9,965,082.24

Finding the Fourth Proportional to 12,108,823.38, 18,145,291.77 and 9,965,082.24

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Solution

The fourth proportional to 12,108,823.38, 18,145,291.77 and 9,965,082.24 is: 14,932,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,823.38 : 18,145,291.77 = 9,965,082.24 : x
  2. Step 2: Convert to fraction form
    12,108,823.38/18,145,291.77 = 9,965,082.24/x
  3. Step 3: Cross multiply
    12,108,823.38x = 18,145,291.77 × 9,965,082.24
  4. Step 4: Simplify right side
    12,108,823.38x = 180,819,324,756,845.16
  5. Step 5: Solve for x
    x = 180,819,324,756,845.16/12,108,823.38
  6. Step 6: Final answer
    x = 14,932,856.73

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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.