Home / 20,250,422.19-27,945,656.64-10,957,992.30

Finding the Fourth Proportional to 20,250,422.19, 27,945,656.64 and 10,957,992.30

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Solution

The fourth proportional to 20,250,422.19, 27,945,656.64 and 10,957,992.30 is: 15,122,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,422.19 : 27,945,656.64 = 10,957,992.30 : x
  2. Step 2: Convert to fraction form
    20,250,422.19/27,945,656.64 = 10,957,992.30/x
  3. Step 3: Cross multiply
    20,250,422.19x = 27,945,656.64 × 10,957,992.30
  4. Step 4: Simplify right side
    20,250,422.19x = 306,228,290,279,563.88
  5. Step 5: Solve for x
    x = 306,228,290,279,563.88/20,250,422.19
  6. Step 6: Final answer
    x = 15,122,069.43

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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.