Home / 5,328,115.80-7,992,173.70-3,910,939.80

Finding the Fourth Proportional to 5,328,115.80, 7,992,173.70 and 3,910,939.80

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Solution

The fourth proportional to 5,328,115.80, 7,992,173.70 and 3,910,939.80 is: 5,866,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,115.80 : 7,992,173.70 = 3,910,939.80 : x
  2. Step 2: Convert to fraction form
    5,328,115.80/7,992,173.70 = 3,910,939.80/x
  3. Step 3: Cross multiply
    5,328,115.80x = 7,992,173.70 × 3,910,939.80
  4. Step 4: Simplify right side
    5,328,115.80x = 31,256,910,211,843.26
  5. Step 5: Solve for x
    x = 31,256,910,211,843.26/5,328,115.80
  6. Step 6: Final answer
    x = 5,866,409.70

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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.