Home / 7,763,633.20-11,636,701.80-3,722,057.20

Finding the Fourth Proportional to 7,763,633.20, 11,636,701.80 and 3,722,057.20

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Solution

The fourth proportional to 7,763,633.20, 11,636,701.80 and 3,722,057.20 is: 5,578,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763,633.20 : 11,636,701.80 = 3,722,057.20 : x
  2. Step 2: Convert to fraction form
    7,763,633.20/11,636,701.80 = 3,722,057.20/x
  3. Step 3: Cross multiply
    7,763,633.20x = 11,636,701.80 × 3,722,057.20
  4. Step 4: Simplify right side
    7,763,633.20x = 43,312,469,718,942.97
  5. Step 5: Solve for x
    x = 43,312,469,718,942.97/7,763,633.20
  6. Step 6: Final answer
    x = 5,578,891.82

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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.