Home / 18,299,990.46-27,450,182.82-5,520,605.88

Finding the Fourth Proportional to 18,299,990.46, 27,450,182.82 and 5,520,605.88

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Solution

The fourth proportional to 18,299,990.46, 27,450,182.82 and 5,520,605.88 is: 8,280,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299,990.46 : 27,450,182.82 = 5,520,605.88 : x
  2. Step 2: Convert to fraction form
    18,299,990.46/27,450,182.82 = 5,520,605.88/x
  3. Step 3: Cross multiply
    18,299,990.46x = 27,450,182.82 × 5,520,605.88
  4. Step 4: Simplify right side
    18,299,990.46x = 151,541,640,683,166.97
  5. Step 5: Solve for x
    x = 151,541,640,683,166.97/18,299,990.46
  6. Step 6: Final answer
    x = 8,280,968.29

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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.