Home / 31,810,120.37-47,714,229.20-8,782,458.38

Finding the Fourth Proportional to 31,810,120.37, 47,714,229.20 and 8,782,458.38

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Solution

The fourth proportional to 31,810,120.37, 47,714,229.20 and 8,782,458.38 is: 13,173,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810,120.37 : 47,714,229.20 = 8,782,458.38 : x
  2. Step 2: Convert to fraction form
    31,810,120.37/47,714,229.20 = 8,782,458.38/x
  3. Step 3: Cross multiply
    31,810,120.37x = 47,714,229.20 × 8,782,458.38
  4. Step 4: Simplify right side
    31,810,120.37x = 419,048,231,800,297.25
  5. Step 5: Solve for x
    x = 419,048,231,800,297.25/31,810,120.37
  6. Step 6: Final answer
    x = 13,173,424.90

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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.