Home / 51,628,766.72-71,244,993.56-28,419,360.44

Finding the Fourth Proportional to 51,628,766.72, 71,244,993.56 and 28,419,360.44

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Solution

The fourth proportional to 51,628,766.72, 71,244,993.56 and 28,419,360.44 is: 39,217,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628,766.72 : 71,244,993.56 = 28,419,360.44 : x
  2. Step 2: Convert to fraction form
    51,628,766.72/71,244,993.56 = 28,419,360.44/x
  3. Step 3: Cross multiply
    51,628,766.72x = 71,244,993.56 × 28,419,360.44
  4. Step 4: Simplify right side
    51,628,766.72x = 2,024,737,151,028,797
  5. Step 5: Solve for x
    x = 2,024,737,151,028,797/51,628,766.72
  6. Step 6: Final answer
    x = 39,217,228.69

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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.