Home / 7,763,753.20-11,647,790.12-3,387,275.16

Finding the Fourth Proportional to 7,763,753.20, 11,647,790.12 and 3,387,275.16

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Solution

The fourth proportional to 7,763,753.20, 11,647,790.12 and 3,387,275.16 is: 5,081,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763,753.20 : 11,647,790.12 = 3,387,275.16 : x
  2. Step 2: Convert to fraction form
    7,763,753.20/11,647,790.12 = 3,387,275.16/x
  3. Step 3: Cross multiply
    7,763,753.20x = 11,647,790.12 × 3,387,275.16
  4. Step 4: Simplify right side
    7,763,753.20x = 39,454,270,142,369.42
  5. Step 5: Solve for x
    x = 39,454,270,142,369.42/7,763,753.20
  6. Step 6: Final answer
    x = 5,081,855.27

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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.