Home / 13,451,531.60-20,177,297.40-11,089,571.60

Finding the Fourth Proportional to 13,451,531.60, 20,177,297.40 and 11,089,571.60

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Solution

The fourth proportional to 13,451,531.60, 20,177,297.40 and 11,089,571.60 is: 16,634,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,531.60 : 20,177,297.40 = 11,089,571.60 : x
  2. Step 2: Convert to fraction form
    13,451,531.60/20,177,297.40 = 11,089,571.60/x
  3. Step 3: Cross multiply
    13,451,531.60x = 20,177,297.40 × 11,089,571.60
  4. Step 4: Simplify right side
    13,451,531.60x = 223,757,584,211,793.81
  5. Step 5: Solve for x
    x = 223,757,584,211,793.81/13,451,531.60
  6. Step 6: Final answer
    x = 16,634,357.40

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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.