Home / 8,131,182.08-11,223,070.24-5,522,100.80

Finding the Fourth Proportional to 8,131,182.08, 11,223,070.24 and 5,522,100.80

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Solution

The fourth proportional to 8,131,182.08, 11,223,070.24 and 5,522,100.80 is: 7,621,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,182.08 : 11,223,070.24 = 5,522,100.80 : x
  2. Step 2: Convert to fraction form
    8,131,182.08/11,223,070.24 = 5,522,100.80/x
  3. Step 3: Cross multiply
    8,131,182.08x = 11,223,070.24 × 5,522,100.80
  4. Step 4: Simplify right side
    8,131,182.08x = 61,974,925,150,760.19
  5. Step 5: Solve for x
    x = 61,974,925,150,760.19/8,131,182.08
  6. Step 6: Final answer
    x = 7,621,883.82

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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.