Home / 8,085,115.90-12,127,673.85-3,290,337.10

Finding the Fourth Proportional to 8,085,115.90, 12,127,673.85 and 3,290,337.10

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Solution

The fourth proportional to 8,085,115.90, 12,127,673.85 and 3,290,337.10 is: 4,935,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,115.90 : 12,127,673.85 = 3,290,337.10 : x
  2. Step 2: Convert to fraction form
    8,085,115.90/12,127,673.85 = 3,290,337.10/x
  3. Step 3: Cross multiply
    8,085,115.90x = 12,127,673.85 × 3,290,337.10
  4. Step 4: Simplify right side
    8,085,115.90x = 39,904,135,205,354.84
  5. Step 5: Solve for x
    x = 39,904,135,205,354.84/8,085,115.90
  6. Step 6: Final answer
    x = 4,935,505.65

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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.