Home / 13,440,801.60-20,161,202.40-3,343,422.60

Finding the Fourth Proportional to 13,440,801.60, 20,161,202.40 and 3,343,422.60

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Solution

The fourth proportional to 13,440,801.60, 20,161,202.40 and 3,343,422.60 is: 5,015,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,801.60 : 20,161,202.40 = 3,343,422.60 : x
  2. Step 2: Convert to fraction form
    13,440,801.60/20,161,202.40 = 3,343,422.60/x
  3. Step 3: Cross multiply
    13,440,801.60x = 20,161,202.40 × 3,343,422.60
  4. Step 4: Simplify right side
    13,440,801.60x = 67,407,419,747,334.23
  5. Step 5: Solve for x
    x = 67,407,419,747,334.23/13,440,801.60
  6. Step 6: Final answer
    x = 5,015,133.90

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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.