Home / 18,206,506.76-27,290,685.57-8,483,102.25

Finding the Fourth Proportional to 18,206,506.76, 27,290,685.57 and 8,483,102.25

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Solution

The fourth proportional to 18,206,506.76, 27,290,685.57 and 8,483,102.25 is: 12,715,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206,506.76 : 27,290,685.57 = 8,483,102.25 : x
  2. Step 2: Convert to fraction form
    18,206,506.76/27,290,685.57 = 8,483,102.25/x
  3. Step 3: Cross multiply
    18,206,506.76x = 27,290,685.57 × 8,483,102.25
  4. Step 4: Simplify right side
    18,206,506.76x = 231,509,676,162,909.53
  5. Step 5: Solve for x
    x = 231,509,676,162,909.53/18,206,506.76
  6. Step 6: Final answer
    x = 12,715,765.81

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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.