Home / 8,752,640.24-12,069,121.56-5,691,177.20

Finding the Fourth Proportional to 8,752,640.24, 12,069,121.56 and 5,691,177.20

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Solution

The fourth proportional to 8,752,640.24, 12,069,121.56 and 5,691,177.20 is: 7,847,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752,640.24 : 12,069,121.56 = 5,691,177.20 : x
  2. Step 2: Convert to fraction form
    8,752,640.24/12,069,121.56 = 5,691,177.20/x
  3. Step 3: Cross multiply
    8,752,640.24x = 12,069,121.56 × 5,691,177.20
  4. Step 4: Simplify right side
    8,752,640.24x = 68,687,509,446,300.44
  5. Step 5: Solve for x
    x = 68,687,509,446,300.44/8,752,640.24
  6. Step 6: Final answer
    x = 7,847,633.12

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1.5x scale

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.