Home / 8,768,612.20-13,149,807.90-3,089,021.80

Finding the Fourth Proportional to 8,768,612.20, 13,149,807.90 and 3,089,021.80

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Solution

The fourth proportional to 8,768,612.20, 13,149,807.90 and 3,089,021.80 is: 4,632,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,612.20 : 13,149,807.90 = 3,089,021.80 : x
  2. Step 2: Convert to fraction form
    8,768,612.20/13,149,807.90 = 3,089,021.80/x
  3. Step 3: Cross multiply
    8,768,612.20x = 13,149,807.90 × 3,089,021.80
  4. Step 4: Simplify right side
    8,768,612.20x = 40,620,043,268,912.22
  5. Step 5: Solve for x
    x = 40,620,043,268,912.22/8,768,612.20
  6. Step 6: Final answer
    x = 4,632,436.96

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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.