Home / 8,065,846.20-12,098,769.30-7,393,999.80

Finding the Fourth Proportional to 8,065,846.20, 12,098,769.30 and 7,393,999.80

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Solution

The fourth proportional to 8,065,846.20, 12,098,769.30 and 7,393,999.80 is: 11,090,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,846.20 : 12,098,769.30 = 7,393,999.80 : x
  2. Step 2: Convert to fraction form
    8,065,846.20/12,098,769.30 = 7,393,999.80/x
  3. Step 3: Cross multiply
    8,065,846.20x = 12,098,769.30 × 7,393,999.80
  4. Step 4: Simplify right side
    8,065,846.20x = 89,458,297,784,446.14
  5. Step 5: Solve for x
    x = 89,458,297,784,446.14/8,065,846.20
  6. Step 6: Final answer
    x = 11,090,999.70

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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.