Home / 8,085,198.70-12,127,798.05-7,500,613.60

Finding the Fourth Proportional to 8,085,198.70, 12,127,798.05 and 7,500,613.60

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Solution

The fourth proportional to 8,085,198.70, 12,127,798.05 and 7,500,613.60 is: 11,250,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,198.70 : 12,127,798.05 = 7,500,613.60 : x
  2. Step 2: Convert to fraction form
    8,085,198.70/12,127,798.05 = 7,500,613.60/x
  3. Step 3: Cross multiply
    8,085,198.70x = 12,127,798.05 × 7,500,613.60
  4. Step 4: Simplify right side
    8,085,198.70x = 90,965,926,991,883.48
  5. Step 5: Solve for x
    x = 90,965,926,991,883.48/8,085,198.70
  6. Step 6: Final answer
    x = 11,250,920.40

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Double scale
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Similar ratio
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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.