Home / 20,310,589.92-28,028,614.09-11,608,949.37

Finding the Fourth Proportional to 20,310,589.92, 28,028,614.09 and 11,608,949.37

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Solution

The fourth proportional to 20,310,589.92, 28,028,614.09 and 11,608,949.37 is: 16,020,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,589.92 : 28,028,614.09 = 11,608,949.37 : x
  2. Step 2: Convert to fraction form
    20,310,589.92/28,028,614.09 = 11,608,949.37/x
  3. Step 3: Cross multiply
    20,310,589.92x = 28,028,614.09 × 11,608,949.37
  4. Step 4: Simplify right side
    20,310,589.92x = 325,382,761,741,935.56
  5. Step 5: Solve for x
    x = 325,382,761,741,935.56/20,310,589.92
  6. Step 6: Final answer
    x = 16,020,350.12

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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.