Home / 7,986,424.57-11,990,276.17-5,401,411.09

Finding the Fourth Proportional to 7,986,424.57, 11,990,276.17 and 5,401,411.09

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Solution

The fourth proportional to 7,986,424.57, 11,990,276.17 and 5,401,411.09 is: 8,109,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,424.57 : 11,990,276.17 = 5,401,411.09 : x
  2. Step 2: Convert to fraction form
    7,986,424.57/11,990,276.17 = 5,401,411.09/x
  3. Step 3: Cross multiply
    7,986,424.57x = 11,990,276.17 × 5,401,411.09
  4. Step 4: Simplify right side
    7,986,424.57x = 64,764,410,633,321.52
  5. Step 5: Solve for x
    x = 64,764,410,633,321.52/7,986,424.57
  6. Step 6: Final answer
    x = 8,109,312.26

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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.