Home / 20,022,168.20-27,631,664.94-11,201,093.26

Finding the Fourth Proportional to 20,022,168.20, 27,631,664.94 and 11,201,093.26

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Solution

The fourth proportional to 20,022,168.20, 27,631,664.94 and 11,201,093.26 is: 15,458,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,168.20 : 27,631,664.94 = 11,201,093.26 : x
  2. Step 2: Convert to fraction form
    20,022,168.20/27,631,664.94 = 11,201,093.26/x
  3. Step 3: Cross multiply
    20,022,168.20x = 27,631,664.94 × 11,201,093.26
  4. Step 4: Simplify right side
    20,022,168.20x = 309,504,855,961,284.44
  5. Step 5: Solve for x
    x = 309,504,855,961,284.44/20,022,168.20
  6. Step 6: Final answer
    x = 15,458,108.87

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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.