Home / 12,420,872.38-18,633,058.17-4,332,668.41

Finding the Fourth Proportional to 12,420,872.38, 18,633,058.17 and 4,332,668.41

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Solution

The fourth proportional to 12,420,872.38, 18,633,058.17 and 4,332,668.41 is: 6,499,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,872.38 : 18,633,058.17 = 4,332,668.41 : x
  2. Step 2: Convert to fraction form
    12,420,872.38/18,633,058.17 = 4,332,668.41/x
  3. Step 3: Cross multiply
    12,420,872.38x = 18,633,058.17 × 4,332,668.41
  4. Step 4: Simplify right side
    12,420,872.38x = 80,730,862,514,851.42
  5. Step 5: Solve for x
    x = 80,730,862,514,851.42/12,420,872.38
  6. Step 6: Final answer
    x = 6,499,612.91

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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.