Home / 20,391,846.30-30,587,769.45-18,159,794.10

Finding the Fourth Proportional to 20,391,846.30, 30,587,769.45 and 18,159,794.10

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Solution

The fourth proportional to 20,391,846.30, 30,587,769.45 and 18,159,794.10 is: 27,239,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391,846.30 : 30,587,769.45 = 18,159,794.10 : x
  2. Step 2: Convert to fraction form
    20,391,846.30/30,587,769.45 = 18,159,794.10/x
  3. Step 3: Cross multiply
    20,391,846.30x = 30,587,769.45 × 18,159,794.10
  4. Step 4: Simplify right side
    20,391,846.30x = 555,467,595,190,270.25
  5. Step 5: Solve for x
    x = 555,467,595,190,270.25/20,391,846.30
  6. Step 6: Final answer
    x = 27,239,691.15

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Similar ratio
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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.