Home / 21,678,103.44-32,517,169.20-5,505,267.60

Finding the Fourth Proportional to 21,678,103.44, 32,517,169.20 and 5,505,267.60

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Solution

The fourth proportional to 21,678,103.44, 32,517,169.20 and 5,505,267.60 is: 8,257,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,103.44 : 32,517,169.20 = 5,505,267.60 : x
  2. Step 2: Convert to fraction form
    21,678,103.44/32,517,169.20 = 5,505,267.60/x
  3. Step 3: Cross multiply
    21,678,103.44x = 32,517,169.20 × 5,505,267.60
  4. Step 4: Simplify right side
    21,678,103.44x = 179,015,718,040,477.91
  5. Step 5: Solve for x
    x = 179,015,718,040,477.91/21,678,103.44
  6. Step 6: Final answer
    x = 8,257,904.97

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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.