Home / 20,250,412.15-27,945,642.82-10,957,982.30

Finding the Fourth Proportional to 20,250,412.15, 27,945,642.82 and 10,957,982.30

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Solution

The fourth proportional to 20,250,412.15, 27,945,642.82 and 10,957,982.30 is: 15,122,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,412.15 : 27,945,642.82 = 10,957,982.30 : x
  2. Step 2: Convert to fraction form
    20,250,412.15/27,945,642.82 = 10,957,982.30/x
  3. Step 3: Cross multiply
    20,250,412.15x = 27,945,642.82 × 10,957,982.30
  4. Step 4: Simplify right side
    20,250,412.15x = 306,227,859,383,682.12
  5. Step 5: Solve for x
    x = 306,227,859,383,682.12/20,250,412.15
  6. Step 6: Final answer
    x = 15,122,055.65

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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.