Home / 8,640,255.50-11,923,914.60-4,969,174.56

Finding the Fourth Proportional to 8,640,255.50, 11,923,914.60 and 4,969,174.56

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Solution

The fourth proportional to 8,640,255.50, 11,923,914.60 and 4,969,174.56 is: 6,857,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,255.50 : 11,923,914.60 = 4,969,174.56 : x
  2. Step 2: Convert to fraction form
    8,640,255.50/11,923,914.60 = 4,969,174.56/x
  3. Step 3: Cross multiply
    8,640,255.50x = 11,923,914.60 × 4,969,174.56
  4. Step 4: Simplify right side
    8,640,255.50x = 59,252,013,085,932.57
  5. Step 5: Solve for x
    x = 59,252,013,085,932.57/8,640,255.50
  6. Step 6: Final answer
    x = 6,857,669.09

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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.