Home / 7,187,098.22-9,918,143.73-3,923,912.95

Finding the Fourth Proportional to 7,187,098.22, 9,918,143.73 and 3,923,912.95

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Solution

The fourth proportional to 7,187,098.22, 9,918,143.73 and 3,923,912.95 is: 5,414,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,098.22 : 9,918,143.73 = 3,923,912.95 : x
  2. Step 2: Convert to fraction form
    7,187,098.22/9,918,143.73 = 3,923,912.95/x
  3. Step 3: Cross multiply
    7,187,098.22x = 9,918,143.73 × 3,923,912.95
  4. Step 4: Simplify right side
    7,187,098.22x = 38,917,932,598,615.59
  5. Step 5: Solve for x
    x = 38,917,932,598,615.59/7,187,098.22
  6. Step 6: Final answer
    x = 5,414,971.58

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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.