Home / 27,578,195.80-38,062,047.68-20,951,880.16

Finding the Fourth Proportional to 27,578,195.80, 38,062,047.68 and 20,951,880.16

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Solution

The fourth proportional to 27,578,195.80, 38,062,047.68 and 20,951,880.16 is: 28,916,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578,195.80 : 38,062,047.68 = 20,951,880.16 : x
  2. Step 2: Convert to fraction form
    27,578,195.80/38,062,047.68 = 20,951,880.16/x
  3. Step 3: Cross multiply
    27,578,195.80x = 38,062,047.68 × 20,951,880.16
  4. Step 4: Simplify right side
    27,578,195.80x = 797,471,461,635,566
  5. Step 5: Solve for x
    x = 797,471,461,635,566/27,578,195.80
  6. Step 6: Final answer
    x = 28,916,737.97

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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.