Home / 12,408,944.80-18,613,831.92-3,432,745.12

Finding the Fourth Proportional to 12,408,944.80, 18,613,831.92 and 3,432,745.12

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Solution

The fourth proportional to 12,408,944.80, 18,613,831.92 and 3,432,745.12 is: 5,149,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,944.80 : 18,613,831.92 = 3,432,745.12 : x
  2. Step 2: Convert to fraction form
    12,408,944.80/18,613,831.92 = 3,432,745.12/x
  3. Step 3: Cross multiply
    12,408,944.80x = 18,613,831.92 × 3,432,745.12
  4. Step 4: Simplify right side
    12,408,944.80x = 63,896,540,687,880.24
  5. Step 5: Solve for x
    x = 63,896,540,687,880.24/12,408,944.80
  6. Step 6: Final answer
    x = 5,149,232.41

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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.