Home / 13,589,178.64-18,752,500.20-7,394,249.68

Finding the Fourth Proportional to 13,589,178.64, 18,752,500.20 and 7,394,249.68

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Solution

The fourth proportional to 13,589,178.64, 18,752,500.20 and 7,394,249.68 is: 10,203,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,178.64 : 18,752,500.20 = 7,394,249.68 : x
  2. Step 2: Convert to fraction form
    13,589,178.64/18,752,500.20 = 7,394,249.68/x
  3. Step 3: Cross multiply
    13,589,178.64x = 18,752,500.20 × 7,394,249.68
  4. Step 4: Simplify right side
    13,589,178.64x = 138,660,668,603,049.92
  5. Step 5: Solve for x
    x = 138,660,668,603,049.92/13,589,178.64
  6. Step 6: Final answer
    x = 10,203,756.41

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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.