Home / 27,639,856.92-38,155,235.04-17,855,073.12

Finding the Fourth Proportional to 27,639,856.92, 38,155,235.04 and 17,855,073.12

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Solution

The fourth proportional to 27,639,856.92, 38,155,235.04 and 17,855,073.12 is: 24,647,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639,856.92 : 38,155,235.04 = 17,855,073.12 : x
  2. Step 2: Convert to fraction form
    27,639,856.92/38,155,235.04 = 17,855,073.12/x
  3. Step 3: Cross multiply
    27,639,856.92x = 38,155,235.04 × 17,855,073.12
  4. Step 4: Simplify right side
    27,639,856.92x = 681,264,511,549,986.12
  5. Step 5: Solve for x
    x = 681,264,511,549,986.12/27,639,856.92
  6. Step 6: Final answer
    x = 24,647,902.97

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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.