Home / 20,250,407.96-27,945,637.04-10,957,978.12

Finding the Fourth Proportional to 20,250,407.96, 27,945,637.04 and 10,957,978.12

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Solution

The fourth proportional to 20,250,407.96, 27,945,637.04 and 10,957,978.12 is: 15,122,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,407.96 : 27,945,637.04 = 10,957,978.12 : x
  2. Step 2: Convert to fraction form
    20,250,407.96/27,945,637.04 = 10,957,978.12/x
  3. Step 3: Cross multiply
    20,250,407.96x = 27,945,637.04 × 10,957,978.12
  4. Step 4: Simplify right side
    20,250,407.96x = 306,227,679,233,781.56
  5. Step 5: Solve for x
    x = 306,227,679,233,781.56/20,250,407.96
  6. Step 6: Final answer
    x = 15,122,049.88

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1.5x scale

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.