Home / 18,873,224.79-28,309,552.30-8,491,112.34

Finding the Fourth Proportional to 18,873,224.79, 28,309,552.30 and 8,491,112.34

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Solution

The fourth proportional to 18,873,224.79, 28,309,552.30 and 8,491,112.34 is: 12,736,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873,224.79 : 28,309,552.30 = 8,491,112.34 : x
  2. Step 2: Convert to fraction form
    18,873,224.79/28,309,552.30 = 8,491,112.34/x
  3. Step 3: Cross multiply
    18,873,224.79x = 28,309,552.30 × 8,491,112.34
  4. Step 4: Simplify right side
    18,873,224.79x = 240,379,588,874,405.38
  5. Step 5: Solve for x
    x = 240,379,588,874,405.38/18,873,224.79
  6. Step 6: Final answer
    x = 12,736,540.34

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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.