Home / 8,320,992.26-12,485,446.86-5,766,138.86

Finding the Fourth Proportional to 8,320,992.26, 12,485,446.86 and 5,766,138.86

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Solution

The fourth proportional to 8,320,992.26, 12,485,446.86 and 5,766,138.86 is: 8,651,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,992.26 : 12,485,446.86 = 5,766,138.86 : x
  2. Step 2: Convert to fraction form
    8,320,992.26/12,485,446.86 = 5,766,138.86/x
  3. Step 3: Cross multiply
    8,320,992.26x = 12,485,446.86 × 5,766,138.86
  4. Step 4: Simplify right side
    8,320,992.26x = 71,992,820,323,910.98
  5. Step 5: Solve for x
    x = 71,992,820,323,910.98/8,320,992.26
  6. Step 6: Final answer
    x = 8,651,951.36

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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.