Home / 15,202,452.70-20,979,125.45-8,233,073.77

Finding the Fourth Proportional to 15,202,452.70, 20,979,125.45 and 8,233,073.77

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Solution

The fourth proportional to 15,202,452.70, 20,979,125.45 and 8,233,073.77 is: 11,361,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,452.70 : 20,979,125.45 = 8,233,073.77 : x
  2. Step 2: Convert to fraction form
    15,202,452.70/20,979,125.45 = 8,233,073.77/x
  3. Step 3: Cross multiply
    15,202,452.70x = 20,979,125.45 × 8,233,073.77
  4. Step 4: Simplify right side
    15,202,452.70x = 172,722,687,459,934.44
  5. Step 5: Solve for x
    x = 172,722,687,459,934.44/15,202,452.70
  6. Step 6: Final answer
    x = 11,361,501.39

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1.5x scale

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.