Home / 20,251,588.19-30,379,228.07-6,601,230.86

Finding the Fourth Proportional to 20,251,588.19, 30,379,228.07 and 6,601,230.86

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Solution

The fourth proportional to 20,251,588.19, 30,379,228.07 and 6,601,230.86 is: 9,902,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,588.19 : 30,379,228.07 = 6,601,230.86 : x
  2. Step 2: Convert to fraction form
    20,251,588.19/30,379,228.07 = 6,601,230.86/x
  3. Step 3: Cross multiply
    20,251,588.19x = 30,379,228.07 × 6,601,230.86
  4. Step 4: Simplify right side
    20,251,588.19x = 200,540,297,653,759.97
  5. Step 5: Solve for x
    x = 200,540,297,653,759.97/20,251,588.19
  6. Step 6: Final answer
    x = 9,902,447.94

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1.5x scale

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.