Home / 8,320,358.40-12,476,851.20-3,834,009.60

Finding the Fourth Proportional to 8,320,358.40, 12,476,851.20 and 3,834,009.60

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Solution

The fourth proportional to 8,320,358.40, 12,476,851.20 and 3,834,009.60 is: 5,749,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,358.40 : 12,476,851.20 = 3,834,009.60 : x
  2. Step 2: Convert to fraction form
    8,320,358.40/12,476,851.20 = 3,834,009.60/x
  3. Step 3: Cross multiply
    8,320,358.40x = 12,476,851.20 × 3,834,009.60
  4. Step 4: Simplify right side
    8,320,358.40x = 47,836,367,278,571.52
  5. Step 5: Solve for x
    x = 47,836,367,278,571.52/8,320,358.40
  6. Step 6: Final answer
    x = 5,749,315.71

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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.