Home / 8,320,761.72-12,481,142.55-2,255,493.47

Finding the Fourth Proportional to 8,320,761.72, 12,481,142.55 and 2,255,493.47

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Solution

The fourth proportional to 8,320,761.72, 12,481,142.55 and 2,255,493.47 is: 3,383,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,761.72 : 12,481,142.55 = 2,255,493.47 : x
  2. Step 2: Convert to fraction form
    8,320,761.72/12,481,142.55 = 2,255,493.47/x
  3. Step 3: Cross multiply
    8,320,761.72x = 12,481,142.55 × 2,255,493.47
  4. Step 4: Simplify right side
    8,320,761.72x = 28,151,135,448,800.34
  5. Step 5: Solve for x
    x = 28,151,135,448,800.34/8,320,761.72
  6. Step 6: Final answer
    x = 3,383,240.19

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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.