Home / 13,824,092.40-20,736,138.60-8,449,321.20

Finding the Fourth Proportional to 13,824,092.40, 20,736,138.60 and 8,449,321.20

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Solution

The fourth proportional to 13,824,092.40, 20,736,138.60 and 8,449,321.20 is: 12,673,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,092.40 : 20,736,138.60 = 8,449,321.20 : x
  2. Step 2: Convert to fraction form
    13,824,092.40/20,736,138.60 = 8,449,321.20/x
  3. Step 3: Cross multiply
    13,824,092.40x = 20,736,138.60 × 8,449,321.20
  4. Step 4: Simplify right side
    13,824,092.40x = 175,206,295,479,118.31
  5. Step 5: Solve for x
    x = 175,206,295,479,118.31/13,824,092.40
  6. Step 6: Final answer
    x = 12,673,981.80

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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.