Home / 12,399,279.43-18,599,108.64-4,723,350.43

Finding the Fourth Proportional to 12,399,279.43, 18,599,108.64 and 4,723,350.43

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Solution

The fourth proportional to 12,399,279.43, 18,599,108.64 and 4,723,350.43 is: 7,085,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,279.43 : 18,599,108.64 = 4,723,350.43 : x
  2. Step 2: Convert to fraction form
    12,399,279.43/18,599,108.64 = 4,723,350.43/x
  3. Step 3: Cross multiply
    12,399,279.43x = 18,599,108.64 × 4,723,350.43
  4. Step 4: Simplify right side
    12,399,279.43x = 87,850,107,792,360.72
  5. Step 5: Solve for x
    x = 87,850,107,792,360.72/12,399,279.43
  6. Step 6: Final answer
    x = 7,085,097.83

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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.