Home / 8,507,758.20-12,760,121.70-3,389,758.98

Finding the Fourth Proportional to 8,507,758.20, 12,760,121.70 and 3,389,758.98

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Solution

The fourth proportional to 8,507,758.20, 12,760,121.70 and 3,389,758.98 is: 5,084,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,758.20 : 12,760,121.70 = 3,389,758.98 : x
  2. Step 2: Convert to fraction form
    8,507,758.20/12,760,121.70 = 3,389,758.98/x
  3. Step 3: Cross multiply
    8,507,758.20x = 12,760,121.70 × 3,389,758.98
  4. Step 4: Simplify right side
    8,507,758.20x = 43,253,737,118,467.86
  5. Step 5: Solve for x
    x = 43,253,737,118,467.86/8,507,758.20
  6. Step 6: Final answer
    x = 5,084,034.61

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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.