Home / 7,763,621.89-11,647,593.26-3,387,144.13

Finding the Fourth Proportional to 7,763,621.89, 11,647,593.26 and 3,387,144.13

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Solution

The fourth proportional to 7,763,621.89, 11,647,593.26 and 3,387,144.13 is: 5,081,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763,621.89 : 11,647,593.26 = 3,387,144.13 : x
  2. Step 2: Convert to fraction form
    7,763,621.89/11,647,593.26 = 3,387,144.13/x
  3. Step 3: Cross multiply
    7,763,621.89x = 11,647,593.26 × 3,387,144.13
  4. Step 4: Simplify right side
    7,763,621.89x = 39,452,077,139,236.56
  5. Step 5: Solve for x
    x = 39,452,077,139,236.56/7,763,621.89
  6. Step 6: Final answer
    x = 5,081,658.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.