Home / 21,978,728.33-30,332,508.41-12,192,325.34

Finding the Fourth Proportional to 21,978,728.33, 30,332,508.41 and 12,192,325.34

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Solution

The fourth proportional to 21,978,728.33, 30,332,508.41 and 12,192,325.34 is: 16,826,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,728.33 : 30,332,508.41 = 12,192,325.34 : x
  2. Step 2: Convert to fraction form
    21,978,728.33/30,332,508.41 = 12,192,325.34/x
  3. Step 3: Cross multiply
    21,978,728.33x = 30,332,508.41 × 12,192,325.34
  4. Step 4: Simplify right side
    21,978,728.33x = 369,823,810,791,824.44
  5. Step 5: Solve for x
    x = 369,823,810,791,824.44/21,978,728.33
  6. Step 6: Final answer
    x = 16,826,442.61

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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.