Home / 20,211,794.80-30,317,692.20-11,110,375.60

Finding the Fourth Proportional to 20,211,794.80, 30,317,692.20 and 11,110,375.60

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Solution

The fourth proportional to 20,211,794.80, 30,317,692.20 and 11,110,375.60 is: 16,665,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,794.80 : 30,317,692.20 = 11,110,375.60 : x
  2. Step 2: Convert to fraction form
    20,211,794.80/30,317,692.20 = 11,110,375.60/x
  3. Step 3: Cross multiply
    20,211,794.80x = 30,317,692.20 × 11,110,375.60
  4. Step 4: Simplify right side
    20,211,794.80x = 336,840,947,667,190.31
  5. Step 5: Solve for x
    x = 336,840,947,667,190.31/20,211,794.80
  6. Step 6: Final answer
    x = 16,665,563.40

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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.