Home / 7,328,131.20-10,992,196.80-3,067,855.20

Finding the Fourth Proportional to 7,328,131.20, 10,992,196.80 and 3,067,855.20

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Solution

The fourth proportional to 7,328,131.20, 10,992,196.80 and 3,067,855.20 is: 4,601,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,131.20 : 10,992,196.80 = 3,067,855.20 : x
  2. Step 2: Convert to fraction form
    7,328,131.20/10,992,196.80 = 3,067,855.20/x
  3. Step 3: Cross multiply
    7,328,131.20x = 10,992,196.80 × 3,067,855.20
  4. Step 4: Simplify right side
    7,328,131.20x = 33,722,468,112,303.36
  5. Step 5: Solve for x
    x = 33,722,468,112,303.36/7,328,131.20
  6. Step 6: Final answer
    x = 4,601,782.80

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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.