Home / 8,085,452.20-12,128,178.30-7,500,867.10

Finding the Fourth Proportional to 8,085,452.20, 12,128,178.30 and 7,500,867.10

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Solution

The fourth proportional to 8,085,452.20, 12,128,178.30 and 7,500,867.10 is: 11,251,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,452.20 : 12,128,178.30 = 7,500,867.10 : x
  2. Step 2: Convert to fraction form
    8,085,452.20/12,128,178.30 = 7,500,867.10/x
  3. Step 3: Cross multiply
    8,085,452.20x = 12,128,178.30 × 7,500,867.10
  4. Step 4: Simplify right side
    8,085,452.20x = 90,971,853,593,403.94
  5. Step 5: Solve for x
    x = 90,971,853,593,403.94/8,085,452.20
  6. Step 6: Final answer
    x = 11,251,300.65

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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.