Home / 7,140,018.54-9,853,237.25-3,876,839.58

Finding the Fourth Proportional to 7,140,018.54, 9,853,237.25 and 3,876,839.58

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Solution

The fourth proportional to 7,140,018.54, 9,853,237.25 and 3,876,839.58 is: 5,350,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,018.54 : 9,853,237.25 = 3,876,839.58 : x
  2. Step 2: Convert to fraction form
    7,140,018.54/9,853,237.25 = 3,876,839.58/x
  3. Step 3: Cross multiply
    7,140,018.54x = 9,853,237.25 × 3,876,839.58
  4. Step 4: Simplify right side
    7,140,018.54x = 38,199,420,215,841.17
  5. Step 5: Solve for x
    x = 38,199,420,215,841.17/7,140,018.54
  6. Step 6: Final answer
    x = 5,350,044.96

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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.