Home / 36,305,279.70-54,469,431.69-12,961,521.75

Finding the Fourth Proportional to 36,305,279.70, 54,469,431.69 and 12,961,521.75

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Solution

The fourth proportional to 36,305,279.70, 54,469,431.69 and 12,961,521.75 is: 19,446,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,305,279.70 : 54,469,431.69 = 12,961,521.75 : x
  2. Step 2: Convert to fraction form
    36,305,279.70/54,469,431.69 = 12,961,521.75/x
  3. Step 3: Cross multiply
    36,305,279.70x = 54,469,431.69 × 12,961,521.75
  4. Step 4: Simplify right side
    36,305,279.70x = 706,006,723,715,729
  5. Step 5: Solve for x
    x = 706,006,723,715,729/36,305,279.70
  6. Step 6: Final answer
    x = 19,446,392.64

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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.