Home / 31,915,310.60-47,879,691.60-10,348,230.80

Finding the Fourth Proportional to 31,915,310.60, 47,879,691.60 and 10,348,230.80

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Solution

The fourth proportional to 31,915,310.60, 47,879,691.60 and 10,348,230.80 is: 15,524,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915,310.60 : 47,879,691.60 = 10,348,230.80 : x
  2. Step 2: Convert to fraction form
    31,915,310.60/47,879,691.60 = 10,348,230.80/x
  3. Step 3: Cross multiply
    31,915,310.60x = 47,879,691.60 × 10,348,230.80
  4. Step 4: Simplify right side
    31,915,310.60x = 495,470,099,309,621.31
  5. Step 5: Solve for x
    x = 495,470,099,309,621.31/31,915,310.60
  6. Step 6: Final answer
    x = 15,524,526.94

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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.