Home / 36,213,540.30-54,320,310.45-19,207,428.30

Finding the Fourth Proportional to 36,213,540.30, 54,320,310.45 and 19,207,428.30

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Solution

The fourth proportional to 36,213,540.30, 54,320,310.45 and 19,207,428.30 is: 28,811,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213,540.30 : 54,320,310.45 = 19,207,428.30 : x
  2. Step 2: Convert to fraction form
    36,213,540.30/54,320,310.45 = 19,207,428.30/x
  3. Step 3: Cross multiply
    36,213,540.30x = 54,320,310.45 × 19,207,428.30
  4. Step 4: Simplify right side
    36,213,540.30x = 1,043,353,468,202,115.88
  5. Step 5: Solve for x
    x = 1,043,353,468,202,115.88/36,213,540.30
  6. Step 6: Final answer
    x = 28,811,142.45

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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.