Home / 7,965,137.55-10,987,910.42-5,028,593.87

Finding the Fourth Proportional to 7,965,137.55, 10,987,910.42 and 5,028,593.87

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Solution

The fourth proportional to 7,965,137.55, 10,987,910.42 and 5,028,593.87 is: 6,936,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,137.55 : 10,987,910.42 = 5,028,593.87 : x
  2. Step 2: Convert to fraction form
    7,965,137.55/10,987,910.42 = 5,028,593.87/x
  3. Step 3: Cross multiply
    7,965,137.55x = 10,987,910.42 × 5,028,593.87
  4. Step 4: Simplify right side
    7,965,137.55x = 55,253,738,984,447.92
  5. Step 5: Solve for x
    x = 55,253,738,984,447.92/7,965,137.55
  6. Step 6: Final answer
    x = 6,936,947.25

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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.