Home / 11,940,091.92-17,910,332.28-3,420,395.28

Finding the Fourth Proportional to 11,940,091.92, 17,910,332.28 and 3,420,395.28

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Solution

The fourth proportional to 11,940,091.92, 17,910,332.28 and 3,420,395.28 is: 5,130,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940,091.92 : 17,910,332.28 = 3,420,395.28 : x
  2. Step 2: Convert to fraction form
    11,940,091.92/17,910,332.28 = 3,420,395.28/x
  3. Step 3: Cross multiply
    11,940,091.92x = 17,910,332.28 × 3,420,395.28
  4. Step 4: Simplify right side
    11,940,091.92x = 61,260,415,993,743.64
  5. Step 5: Solve for x
    x = 61,260,415,993,743.64/11,940,091.92
  6. Step 6: Final answer
    x = 5,130,648.61

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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.