Home / 20,177,453.80-30,266,180.70-12,099,550.60

Finding the Fourth Proportional to 20,177,453.80, 30,266,180.70 and 12,099,550.60

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Solution

The fourth proportional to 20,177,453.80, 30,266,180.70 and 12,099,550.60 is: 18,149,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,453.80 : 30,266,180.70 = 12,099,550.60 : x
  2. Step 2: Convert to fraction form
    20,177,453.80/30,266,180.70 = 12,099,550.60/x
  3. Step 3: Cross multiply
    20,177,453.80x = 30,266,180.70 × 12,099,550.60
  4. Step 4: Simplify right side
    20,177,453.80x = 366,207,184,848,393.38
  5. Step 5: Solve for x
    x = 366,207,184,848,393.38/20,177,453.80
  6. Step 6: Final answer
    x = 18,149,325.90

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1.5x scale

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.