Home / 5,555,640.57-7,667,081.74-3,108,105.61

Finding the Fourth Proportional to 5,555,640.57, 7,667,081.74 and 3,108,105.61

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Solution

The fourth proportional to 5,555,640.57, 7,667,081.74 and 3,108,105.61 is: 4,289,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,640.57 : 7,667,081.74 = 3,108,105.61 : x
  2. Step 2: Convert to fraction form
    5,555,640.57/7,667,081.74 = 3,108,105.61/x
  3. Step 3: Cross multiply
    5,555,640.57x = 7,667,081.74 × 3,108,105.61
  4. Step 4: Simplify right side
    5,555,640.57x = 23,830,099,753,139.99
  5. Step 5: Solve for x
    x = 23,830,099,753,139.99/5,555,640.57
  6. Step 6: Final answer
    x = 4,289,352.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.