Home / 20,317,817.43-30,481,380.54-8,805,217.50

Finding the Fourth Proportional to 20,317,817.43, 30,481,380.54 and 8,805,217.50

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Solution

The fourth proportional to 20,317,817.43, 30,481,380.54 and 8,805,217.50 is: 13,209,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,817.43 : 30,481,380.54 = 8,805,217.50 : x
  2. Step 2: Convert to fraction form
    20,317,817.43/30,481,380.54 = 8,805,217.50/x
  3. Step 3: Cross multiply
    20,317,817.43x = 30,481,380.54 × 8,805,217.50
  4. Step 4: Simplify right side
    20,317,817.43x = 268,395,185,354,967.44
  5. Step 5: Solve for x
    x = 268,395,185,354,967.44/20,317,817.43
  6. Step 6: Final answer
    x = 13,209,843.34

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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.