Home / 27,578,163.84-38,062,003.59-20,951,848.22

Finding the Fourth Proportional to 27,578,163.84, 38,062,003.59 and 20,951,848.22

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Solution

The fourth proportional to 27,578,163.84, 38,062,003.59 and 20,951,848.22 is: 28,916,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,163.84 : 38,062,003.59 = 20,951,848.22 : x
  2. Step 2: Convert to fraction form
    27,578,163.84/38,062,003.59 = 20,951,848.22/x
  3. Step 3: Cross multiply
    27,578,163.84x = 38,062,003.59 × 20,951,848.22
  4. Step 4: Simplify right side
    27,578,163.84x = 797,469,322,183,360.62
  5. Step 5: Solve for x
    x = 797,469,322,183,360.62/27,578,163.84
  6. Step 6: Final answer
    x = 28,916,693.90

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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.