Home / 18,782,596.20-28,173,894.30-9,199,453.80

Finding the Fourth Proportional to 18,782,596.20, 28,173,894.30 and 9,199,453.80

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Solution

The fourth proportional to 18,782,596.20, 28,173,894.30 and 9,199,453.80 is: 13,799,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,596.20 : 28,173,894.30 = 9,199,453.80 : x
  2. Step 2: Convert to fraction form
    18,782,596.20/28,173,894.30 = 9,199,453.80/x
  3. Step 3: Cross multiply
    18,782,596.20x = 28,173,894.30 × 9,199,453.80
  4. Step 4: Simplify right side
    18,782,596.20x = 259,184,438,978,933.38
  5. Step 5: Solve for x
    x = 259,184,438,978,933.38/18,782,596.20
  6. Step 6: Final answer
    x = 13,799,180.70

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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.