Home / 51,628,820.76-71,245,067.88-28,419,414.48

Finding the Fourth Proportional to 51,628,820.76, 71,245,067.88 and 28,419,414.48

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Solution

The fourth proportional to 51,628,820.76, 71,245,067.88 and 28,419,414.48 is: 39,217,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628,820.76 : 71,245,067.88 = 28,419,414.48 : x
  2. Step 2: Convert to fraction form
    51,628,820.76/71,245,067.88 = 28,419,414.48/x
  3. Step 3: Cross multiply
    51,628,820.76x = 71,245,067.88 × 28,419,414.48
  4. Step 4: Simplify right side
    51,628,820.76x = 2,024,743,113,737,454.75
  5. Step 5: Solve for x
    x = 2,024,743,113,737,454.75/51,628,820.76
  6. Step 6: Final answer
    x = 39,217,303.13

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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.