Home / 7,187,099.22-9,918,145.11-3,923,913.95

Finding the Fourth Proportional to 7,187,099.22, 9,918,145.11 and 3,923,913.95

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Solution

The fourth proportional to 7,187,099.22, 9,918,145.11 and 3,923,913.95 is: 5,414,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,099.22 : 9,918,145.11 = 3,923,913.95 : x
  2. Step 2: Convert to fraction form
    7,187,099.22/9,918,145.11 = 3,923,913.95/x
  3. Step 3: Cross multiply
    7,187,099.22x = 9,918,145.11 × 3,923,913.95
  4. Step 4: Simplify right side
    7,187,099.22x = 38,917,947,955,253.28
  5. Step 5: Solve for x
    x = 38,917,947,955,253.28/7,187,099.22
  6. Step 6: Final answer
    x = 5,414,972.96

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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.