Home / 27,789,731.28-38,351,956.68-17,485,287.12

Finding the Fourth Proportional to 27,789,731.28, 38,351,956.68 and 17,485,287.12

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Solution

The fourth proportional to 27,789,731.28, 38,351,956.68 and 17,485,287.12 is: 24,131,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789,731.28 : 38,351,956.68 = 17,485,287.12 : x
  2. Step 2: Convert to fraction form
    27,789,731.28/38,351,956.68 = 17,485,287.12/x
  3. Step 3: Cross multiply
    27,789,731.28x = 38,351,956.68 × 17,485,287.12
  4. Step 4: Simplify right side
    27,789,731.28x = 670,594,974,163,602
  5. Step 5: Solve for x
    x = 670,594,974,163,602/27,789,731.28
  6. Step 6: Final answer
    x = 24,131,034.86

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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.