Home / 7,738,432.20-11,607,648.30-6,994,414.80

Finding the Fourth Proportional to 7,738,432.20, 11,607,648.30 and 6,994,414.80

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Solution

The fourth proportional to 7,738,432.20, 11,607,648.30 and 6,994,414.80 is: 10,491,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,432.20 : 11,607,648.30 = 6,994,414.80 : x
  2. Step 2: Convert to fraction form
    7,738,432.20/11,607,648.30 = 6,994,414.80/x
  3. Step 3: Cross multiply
    7,738,432.20x = 11,607,648.30 × 6,994,414.80
  4. Step 4: Simplify right side
    7,738,432.20x = 81,188,707,062,714.84
  5. Step 5: Solve for x
    x = 81,188,707,062,714.84/7,738,432.20
  6. Step 6: Final answer
    x = 10,491,622.20

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Double scale
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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.