Home / 22,171,726.42-30,374,760.49-21,342,764.95

Finding the Fourth Proportional to 22,171,726.42, 30,374,760.49 and 21,342,764.95

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Solution

The fourth proportional to 22,171,726.42, 30,374,760.49 and 21,342,764.95 is: 29,239,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171,726.42 : 30,374,760.49 = 21,342,764.95 : x
  2. Step 2: Convert to fraction form
    22,171,726.42/30,374,760.49 = 21,342,764.95/x
  3. Step 3: Cross multiply
    22,171,726.42x = 30,374,760.49 × 21,342,764.95
  4. Step 4: Simplify right side
    22,171,726.42x = 648,281,373,626,789.88
  5. Step 5: Solve for x
    x = 648,281,373,626,789.88/22,171,726.42
  6. Step 6: Final answer
    x = 29,239,102.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.