Home / 20,185,997.63-27,856,321.25-11,483,984.75

Finding the Fourth Proportional to 20,185,997.63, 27,856,321.25 and 11,483,984.75

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Solution

The fourth proportional to 20,185,997.63, 27,856,321.25 and 11,483,984.75 is: 15,847,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,997.63 : 27,856,321.25 = 11,483,984.75 : x
  2. Step 2: Convert to fraction form
    20,185,997.63/27,856,321.25 = 11,483,984.75/x
  3. Step 3: Cross multiply
    20,185,997.63x = 27,856,321.25 × 11,483,984.75
  4. Step 4: Simplify right side
    20,185,997.63x = 319,901,568,229,399.38
  5. Step 5: Solve for x
    x = 319,901,568,229,399.38/20,185,997.63
  6. Step 6: Final answer
    x = 15,847,696.71

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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.