Home / 8,136,121.59-11,227,105.74-4,827,845.79

Finding the Fourth Proportional to 8,136,121.59, 11,227,105.74 and 4,827,845.79

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Solution

The fourth proportional to 8,136,121.59, 11,227,105.74 and 4,827,845.79 is: 6,661,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,121.59 : 11,227,105.74 = 4,827,845.79 : x
  2. Step 2: Convert to fraction form
    8,136,121.59/11,227,105.74 = 4,827,845.79/x
  3. Step 3: Cross multiply
    8,136,121.59x = 11,227,105.74 × 4,827,845.79
  4. Step 4: Simplify right side
    8,136,121.59x = 54,202,735,180,743.84
  5. Step 5: Solve for x
    x = 54,202,735,180,743.84/8,136,121.59
  6. Step 6: Final answer
    x = 6,661,986.87

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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.