Home / 6,622,264.20-9,138,756.62-3,869,108.76

Finding the Fourth Proportional to 6,622,264.20, 9,138,756.62 and 3,869,108.76

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Solution

The fourth proportional to 6,622,264.20, 9,138,756.62 and 3,869,108.76 is: 5,339,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622,264.20 : 9,138,756.62 = 3,869,108.76 : x
  2. Step 2: Convert to fraction form
    6,622,264.20/9,138,756.62 = 3,869,108.76/x
  3. Step 3: Cross multiply
    6,622,264.20x = 9,138,756.62 × 3,869,108.76
  4. Step 4: Simplify right side
    6,622,264.20x = 35,358,843,293,949.98
  5. Step 5: Solve for x
    x = 35,358,843,293,949.98/6,622,264.20
  6. Step 6: Final answer
    x = 5,339,388.80

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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.