Home / 12,231,830.43-18,347,853.85-3,712,165.38

Finding the Fourth Proportional to 12,231,830.43, 18,347,853.85 and 3,712,165.38

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Solution

The fourth proportional to 12,231,830.43, 18,347,853.85 and 3,712,165.38 is: 5,568,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,830.43 : 18,347,853.85 = 3,712,165.38 : x
  2. Step 2: Convert to fraction form
    12,231,830.43/18,347,853.85 = 3,712,165.38/x
  3. Step 3: Cross multiply
    12,231,830.43x = 18,347,853.85 × 3,712,165.38
  4. Step 4: Simplify right side
    12,231,830.43x = 68,110,267,849,989.30
  5. Step 5: Solve for x
    x = 68,110,267,849,989.30/12,231,830.43
  6. Step 6: Final answer
    x = 5,568,280.91

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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.