Home / 20,181,750.44-30,271,540.36-9,936,396.60

Finding the Fourth Proportional to 20,181,750.44, 30,271,540.36 and 9,936,396.60

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Solution

The fourth proportional to 20,181,750.44, 30,271,540.36 and 9,936,396.60 is: 14,904,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,750.44 : 30,271,540.36 = 9,936,396.60 : x
  2. Step 2: Convert to fraction form
    20,181,750.44/30,271,540.36 = 9,936,396.60/x
  3. Step 3: Cross multiply
    20,181,750.44x = 30,271,540.36 × 9,936,396.60
  4. Step 4: Simplify right side
    20,181,750.44x = 300,790,030,709,866.75
  5. Step 5: Solve for x
    x = 300,790,030,709,866.75/20,181,750.44
  6. Step 6: Final answer
    x = 14,904,060.56

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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.