Home / 8,092,511.10-12,138,766.65-2,108,879.10

Finding the Fourth Proportional to 8,092,511.10, 12,138,766.65 and 2,108,879.10

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Solution

The fourth proportional to 8,092,511.10, 12,138,766.65 and 2,108,879.10 is: 3,163,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,511.10 : 12,138,766.65 = 2,108,879.10 : x
  2. Step 2: Convert to fraction form
    8,092,511.10/12,138,766.65 = 2,108,879.10/x
  3. Step 3: Cross multiply
    8,092,511.10x = 12,138,766.65 × 2,108,879.10
  4. Step 4: Simplify right side
    8,092,511.10x = 25,599,191,287,962.02
  5. Step 5: Solve for x
    x = 25,599,191,287,962.02/8,092,511.10
  6. Step 6: Final answer
    x = 3,163,318.65

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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.