Home / 8,143,940.73-12,213,198.46-3,284,992.31

Finding the Fourth Proportional to 8,143,940.73, 12,213,198.46 and 3,284,992.31

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Solution

The fourth proportional to 8,143,940.73, 12,213,198.46 and 3,284,992.31 is: 4,926,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,940.73 : 12,213,198.46 = 3,284,992.31 : x
  2. Step 2: Convert to fraction form
    8,143,940.73/12,213,198.46 = 3,284,992.31/x
  3. Step 3: Cross multiply
    8,143,940.73x = 12,213,198.46 × 3,284,992.31
  4. Step 4: Simplify right side
    8,143,940.73x = 40,120,263,021,603.84
  5. Step 5: Solve for x
    x = 40,120,263,021,603.84/8,143,940.73
  6. Step 6: Final answer
    x = 4,926,394.28

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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.