Home / 20,414,348.20-30,621,522.30-18,524,780.20

Finding the Fourth Proportional to 20,414,348.20, 30,621,522.30 and 18,524,780.20

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Solution

The fourth proportional to 20,414,348.20, 30,621,522.30 and 18,524,780.20 is: 27,787,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,348.20 : 30,621,522.30 = 18,524,780.20 : x
  2. Step 2: Convert to fraction form
    20,414,348.20/30,621,522.30 = 18,524,780.20/x
  3. Step 3: Cross multiply
    20,414,348.20x = 30,621,522.30 × 18,524,780.20
  4. Step 4: Simplify right side
    20,414,348.20x = 567,256,969,996,898.50
  5. Step 5: Solve for x
    x = 567,256,969,996,898.50/20,414,348.20
  6. Step 6: Final answer
    x = 27,787,170.30

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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.