Home / 18,192,108.30-27,292,099.05-5,413,904.70

Finding the Fourth Proportional to 18,192,108.30, 27,292,099.05 and 5,413,904.70

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Solution

The fourth proportional to 18,192,108.30, 27,292,099.05 and 5,413,904.70 is: 8,122,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,108.30 : 27,292,099.05 = 5,413,904.70 : x
  2. Step 2: Convert to fraction form
    18,192,108.30/27,292,099.05 = 5,413,904.70/x
  3. Step 3: Cross multiply
    18,192,108.30x = 27,292,099.05 × 5,413,904.70
  4. Step 4: Simplify right side
    18,192,108.30x = 147,756,823,319,660.53
  5. Step 5: Solve for x
    x = 147,756,823,319,660.53/18,192,108.30
  6. Step 6: Final answer
    x = 8,122,028.57

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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.