Home / 12,455,769.38-17,188,972.44-6,949,145.09

Finding the Fourth Proportional to 12,455,769.38, 17,188,972.44 and 6,949,145.09

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Solution

The fourth proportional to 12,455,769.38, 17,188,972.44 and 6,949,145.09 is: 9,589,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,769.38 : 17,188,972.44 = 6,949,145.09 : x
  2. Step 2: Convert to fraction form
    12,455,769.38/17,188,972.44 = 6,949,145.09/x
  3. Step 3: Cross multiply
    12,455,769.38x = 17,188,972.44 × 6,949,145.09
  4. Step 4: Simplify right side
    12,455,769.38x = 119,448,663,433,571.33
  5. Step 5: Solve for x
    x = 119,448,663,433,571.33/12,455,769.38
  6. Step 6: Final answer
    x = 9,589,826.19

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1.5x scale

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.