Home / 8,305,514.60-12,458,271.90-8,165,546.60

Finding the Fourth Proportional to 8,305,514.60, 12,458,271.90 and 8,165,546.60

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Solution

The fourth proportional to 8,305,514.60, 12,458,271.90 and 8,165,546.60 is: 12,248,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,514.60 : 12,458,271.90 = 8,165,546.60 : x
  2. Step 2: Convert to fraction form
    8,305,514.60/12,458,271.90 = 8,165,546.60/x
  3. Step 3: Cross multiply
    8,305,514.60x = 12,458,271.90 × 8,165,546.60
  4. Step 4: Simplify right side
    8,305,514.60x = 101,728,599,754,920.53
  5. Step 5: Solve for x
    x = 101,728,599,754,920.53/8,305,514.60
  6. Step 6: Final answer
    x = 12,248,319.90

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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.