Home / 18,741,807.48-28,114,986.11-5,278,635.48

Finding the Fourth Proportional to 18,741,807.48, 28,114,986.11 and 5,278,635.48

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Solution

The fourth proportional to 18,741,807.48, 28,114,986.11 and 5,278,635.48 is: 7,918,593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741,807.48 : 28,114,986.11 = 5,278,635.48 : x
  2. Step 2: Convert to fraction form
    18,741,807.48/28,114,986.11 = 5,278,635.48/x
  3. Step 3: Cross multiply
    18,741,807.48x = 28,114,986.11 × 5,278,635.48
  4. Step 4: Simplify right side
    18,741,807.48x = 148,408,763,173,560.03
  5. Step 5: Solve for x
    x = 148,408,763,173,560.03/18,741,807.48
  6. Step 6: Final answer
    x = 7,918,593.94

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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.