Home / 12,455,768.38-17,188,971.06-6,949,144.09

Finding the Fourth Proportional to 12,455,768.38, 17,188,971.06 and 6,949,144.09

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Solution

The fourth proportional to 12,455,768.38, 17,188,971.06 and 6,949,144.09 is: 9,589,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,768.38 : 17,188,971.06 = 6,949,144.09 : x
  2. Step 2: Convert to fraction form
    12,455,768.38/17,188,971.06 = 6,949,144.09/x
  3. Step 3: Cross multiply
    12,455,768.38x = 17,188,971.06 × 6,949,144.09
  4. Step 4: Simplify right side
    12,455,768.38x = 119,448,636,654,780.03
  5. Step 5: Solve for x
    x = 119,448,636,654,780.03/12,455,768.38
  6. Step 6: Final answer
    x = 9,589,824.81

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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.