Home / 8,067,809.70-12,101,714.55-7,091,532.90

Finding the Fourth Proportional to 8,067,809.70, 12,101,714.55 and 7,091,532.90

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Solution

The fourth proportional to 8,067,809.70, 12,101,714.55 and 7,091,532.90 is: 10,637,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067,809.70 : 12,101,714.55 = 7,091,532.90 : x
  2. Step 2: Convert to fraction form
    8,067,809.70/12,101,714.55 = 7,091,532.90/x
  3. Step 3: Cross multiply
    8,067,809.70x = 12,101,714.55 × 7,091,532.90
  4. Step 4: Simplify right side
    8,067,809.70x = 85,819,706,877,733.70
  5. Step 5: Solve for x
    x = 85,819,706,877,733.70/8,067,809.70
  6. Step 6: Final answer
    x = 10,637,299.35

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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.