Home / 15,034,518-20,747,649.42-8,159,001.48

Finding the Fourth Proportional to 15,034,518, 20,747,649.42 and 8,159,001.48

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Solution

The fourth proportional to 15,034,518, 20,747,649.42 and 8,159,001.48 is: 11,259,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,518 : 20,747,649.42 = 8,159,001.48 : x
  2. Step 2: Convert to fraction form
    15,034,518/20,747,649.42 = 8,159,001.48/x
  3. Step 3: Cross multiply
    15,034,518x = 20,747,649.42 × 8,159,001.48
  4. Step 4: Simplify right side
    15,034,518x = 169,280,102,324,301.16
  5. Step 5: Solve for x
    x = 169,280,102,324,301.16/15,034,518
  6. Step 6: Final answer
    x = 11,259,429.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.