Home / 51,628,768.72-71,244,996.32-28,419,362.44

Finding the Fourth Proportional to 51,628,768.72, 71,244,996.32 and 28,419,362.44

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Solution

The fourth proportional to 51,628,768.72, 71,244,996.32 and 28,419,362.44 is: 39,217,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628,768.72 : 71,244,996.32 = 28,419,362.44 : x
  2. Step 2: Convert to fraction form
    51,628,768.72/71,244,996.32 = 28,419,362.44/x
  3. Step 3: Cross multiply
    51,628,768.72x = 71,244,996.32 × 28,419,362.44
  4. Step 4: Simplify right side
    51,628,768.72x = 2,024,737,372,454,546
  5. Step 5: Solve for x
    x = 2,024,737,372,454,546/51,628,768.72
  6. Step 6: Final answer
    x = 39,217,231.45

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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.