Home / 18,723,054.30-28,086,136.65-5,943,198.30

Finding the Fourth Proportional to 18,723,054.30, 28,086,136.65 and 5,943,198.30

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Solution

The fourth proportional to 18,723,054.30, 28,086,136.65 and 5,943,198.30 is: 8,915,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,054.30 : 28,086,136.65 = 5,943,198.30 : x
  2. Step 2: Convert to fraction form
    18,723,054.30/28,086,136.65 = 5,943,198.30/x
  3. Step 3: Cross multiply
    18,723,054.30x = 28,086,136.65 × 5,943,198.30
  4. Step 4: Simplify right side
    18,723,054.30x = 166,921,479,591,847.69
  5. Step 5: Solve for x
    x = 166,921,479,591,847.69/18,723,054.30
  6. Step 6: Final answer
    x = 8,915,291.11

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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.