Home / 20,274,516.54-30,498,076.62-18,378,294.66

Finding the Fourth Proportional to 20,274,516.54, 30,498,076.62 and 18,378,294.66

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Solution

The fourth proportional to 20,274,516.54, 30,498,076.62 and 18,378,294.66 is: 27,645,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274,516.54 : 30,498,076.62 = 18,378,294.66 : x
  2. Step 2: Convert to fraction form
    20,274,516.54/30,498,076.62 = 18,378,294.66/x
  3. Step 3: Cross multiply
    20,274,516.54x = 30,498,076.62 × 18,378,294.66
  4. Step 4: Simplify right side
    20,274,516.54x = 560,502,638,685,616.88
  5. Step 5: Solve for x
    x = 560,502,638,685,616.88/20,274,516.54
  6. Step 6: Final answer
    x = 27,645,672.22

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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.