Home / 15,202,488.72-20,979,175.08-8,233,109.84

Finding the Fourth Proportional to 15,202,488.72, 20,979,175.08 and 8,233,109.84

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Solution

The fourth proportional to 15,202,488.72, 20,979,175.08 and 8,233,109.84 is: 11,361,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,488.72 : 20,979,175.08 = 8,233,109.84 : x
  2. Step 2: Convert to fraction form
    15,202,488.72/20,979,175.08 = 8,233,109.84/x
  3. Step 3: Cross multiply
    15,202,488.72x = 20,979,175.08 × 8,233,109.84
  4. Step 4: Simplify right side
    15,202,488.72x = 172,723,852,786,230.78
  5. Step 5: Solve for x
    x = 172,723,852,786,230.78/15,202,488.72
  6. Step 6: Final answer
    x = 11,361,551.12

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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.