Home / 20,384,092.20-30,576,138.30-18,825,198.60

Finding the Fourth Proportional to 20,384,092.20, 30,576,138.30 and 18,825,198.60

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Solution

The fourth proportional to 20,384,092.20, 30,576,138.30 and 18,825,198.60 is: 28,237,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384,092.20 : 30,576,138.30 = 18,825,198.60 : x
  2. Step 2: Convert to fraction form
    20,384,092.20/30,576,138.30 = 18,825,198.60/x
  3. Step 3: Cross multiply
    20,384,092.20x = 30,576,138.30 × 18,825,198.60
  4. Step 4: Simplify right side
    20,384,092.20x = 575,601,875,918,566.50
  5. Step 5: Solve for x
    x = 575,601,875,918,566.50/20,384,092.20
  6. Step 6: Final answer
    x = 28,237,797.90

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1.5x scale

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.