Home / 52,018,648.28-71,787,354.68-28,815,934.24

Finding the Fourth Proportional to 52,018,648.28, 71,787,354.68 and 28,815,934.24

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Solution

The fourth proportional to 52,018,648.28, 71,787,354.68 and 28,815,934.24 is: 39,766,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018,648.28 : 71,787,354.68 = 28,815,934.24 : x
  2. Step 2: Convert to fraction form
    52,018,648.28/71,787,354.68 = 28,815,934.24/x
  3. Step 3: Cross multiply
    52,018,648.28x = 71,787,354.68 × 28,815,934.24
  4. Step 4: Simplify right side
    52,018,648.28x = 2,068,619,691,722,436.25
  5. Step 5: Solve for x
    x = 2,068,619,691,722,436.25/52,018,648.28
  6. Step 6: Final answer
    x = 39,766,886.69

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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.