Home / 6,876,640.20-10,314,960.30-3,280,556.10

Finding the Fourth Proportional to 6,876,640.20, 10,314,960.30 and 3,280,556.10

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Solution

The fourth proportional to 6,876,640.20, 10,314,960.30 and 3,280,556.10 is: 4,920,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,640.20 : 10,314,960.30 = 3,280,556.10 : x
  2. Step 2: Convert to fraction form
    6,876,640.20/10,314,960.30 = 3,280,556.10/x
  3. Step 3: Cross multiply
    6,876,640.20x = 10,314,960.30 × 3,280,556.10
  4. Step 4: Simplify right side
    6,876,640.20x = 33,838,805,933,422.83
  5. Step 5: Solve for x
    x = 33,838,805,933,422.83/6,876,640.20
  6. Step 6: Final answer
    x = 4,920,834.15

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1.5x scale

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.