Home / 37,384,635.60-56,134,690.20-20,378,523.60

Finding the Fourth Proportional to 37,384,635.60, 56,134,690.20 and 20,378,523.60

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Solution

The fourth proportional to 37,384,635.60, 56,134,690.20 and 20,378,523.60 is: 30,599,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,384,635.60 : 56,134,690.20 = 20,378,523.60 : x
  2. Step 2: Convert to fraction form
    37,384,635.60/56,134,690.20 = 20,378,523.60/x
  3. Step 3: Cross multiply
    37,384,635.60x = 56,134,690.20 × 20,378,523.60
  4. Step 4: Simplify right side
    37,384,635.60x = 1,143,942,109,019,388.75
  5. Step 5: Solve for x
    x = 1,143,942,109,019,388.75/37,384,635.60
  6. Step 6: Final answer
    x = 30,599,257.97

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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.