Home / 27,578,164.84-38,062,004.97-20,951,849.22

Finding the Fourth Proportional to 27,578,164.84, 38,062,004.97 and 20,951,849.22

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Solution

The fourth proportional to 27,578,164.84, 38,062,004.97 and 20,951,849.22 is: 28,916,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,164.84 : 38,062,004.97 = 20,951,849.22 : x
  2. Step 2: Convert to fraction form
    27,578,164.84/38,062,004.97 = 20,951,849.22/x
  3. Step 3: Cross multiply
    27,578,164.84x = 38,062,004.97 × 20,951,849.22
  4. Step 4: Simplify right side
    27,578,164.84x = 797,469,389,142,330.50
  5. Step 5: Solve for x
    x = 797,469,389,142,330.50/27,578,164.84
  6. Step 6: Final answer
    x = 28,916,695.28

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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.