Home / 27,770,498.32-38,329,662.16-18,478,452.90

Finding the Fourth Proportional to 27,770,498.32, 38,329,662.16 and 18,478,452.90

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Solution

The fourth proportional to 27,770,498.32, 38,329,662.16 and 18,478,452.90 is: 25,504,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770,498.32 : 38,329,662.16 = 18,478,452.90 : x
  2. Step 2: Convert to fraction form
    27,770,498.32/38,329,662.16 = 18,478,452.90/x
  3. Step 3: Cross multiply
    27,770,498.32x = 38,329,662.16 × 18,478,452.90
  4. Step 4: Simplify right side
    27,770,498.32x = 708,272,856,896,472.12
  5. Step 5: Solve for x
    x = 708,272,856,896,472.12/27,770,498.32
  6. Step 6: Final answer
    x = 25,504,506.57

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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.