Home / 13,970,711.40-20,914,076.70-8,288,010.60

Finding the Fourth Proportional to 13,970,711.40, 20,914,076.70 and 8,288,010.60

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Solution

The fourth proportional to 13,970,711.40, 20,914,076.70 and 8,288,010.60 is: 12,407,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970,711.40 : 20,914,076.70 = 8,288,010.60 : x
  2. Step 2: Convert to fraction form
    13,970,711.40/20,914,076.70 = 8,288,010.60/x
  3. Step 3: Cross multiply
    13,970,711.40x = 20,914,076.70 × 8,288,010.60
  4. Step 4: Simplify right side
    13,970,711.40x = 173,336,089,378,813
  5. Step 5: Solve for x
    x = 173,336,089,378,813/13,970,711.40
  6. Step 6: Final answer
    x = 12,407,105.44

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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.