Home / 20,066,520.83-30,099,343.23-6,419,626.25

Finding the Fourth Proportional to 20,066,520.83, 30,099,343.23 and 6,419,626.25

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Solution

The fourth proportional to 20,066,520.83, 30,099,343.23 and 6,419,626.25 is: 9,629,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066,520.83 : 30,099,343.23 = 6,419,626.25 : x
  2. Step 2: Convert to fraction form
    20,066,520.83/30,099,343.23 = 6,419,626.25/x
  3. Step 3: Cross multiply
    20,066,520.83x = 30,099,343.23 × 6,419,626.25
  4. Step 4: Simplify right side
    20,066,520.83x = 193,226,533,756,571.06
  5. Step 5: Solve for x
    x = 193,226,533,756,571.06/20,066,520.83
  6. Step 6: Final answer
    x = 9,629,299.24

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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.