Home / 20,160,687.80-30,244,968.30-8,028,086.60

Finding the Fourth Proportional to 20,160,687.80, 30,244,968.30 and 8,028,086.60

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Solution

The fourth proportional to 20,160,687.80, 30,244,968.30 and 8,028,086.60 is: 12,043,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,687.80 : 30,244,968.30 = 8,028,086.60 : x
  2. Step 2: Convert to fraction form
    20,160,687.80/30,244,968.30 = 8,028,086.60/x
  3. Step 3: Cross multiply
    20,160,687.80x = 30,244,968.30 × 8,028,086.60
  4. Step 4: Simplify right side
    20,160,687.80x = 242,809,224,726,654.78
  5. Step 5: Solve for x
    x = 242,809,224,726,654.78/20,160,687.80
  6. Step 6: Final answer
    x = 12,043,697.47

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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.