Home / 20,192,831.80-30,299,745.30-8,834,428.60

Finding the Fourth Proportional to 20,192,831.80, 30,299,745.30 and 8,834,428.60

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Solution

The fourth proportional to 20,192,831.80, 30,299,745.30 and 8,834,428.60 is: 13,256,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192,831.80 : 30,299,745.30 = 8,834,428.60 : x
  2. Step 2: Convert to fraction form
    20,192,831.80/30,299,745.30 = 8,834,428.60/x
  3. Step 3: Cross multiply
    20,192,831.80x = 30,299,745.30 × 8,834,428.60
  4. Step 4: Simplify right side
    20,192,831.80x = 267,680,936,451,035.56
  5. Step 5: Solve for x
    x = 267,680,936,451,035.56/20,192,831.80
  6. Step 6: Final answer
    x = 13,256,235.63

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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.