Home / 20,002,048.20-30,003,072.30-19,162,240.20

Finding the Fourth Proportional to 20,002,048.20, 30,003,072.30 and 19,162,240.20

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Solution

The fourth proportional to 20,002,048.20, 30,003,072.30 and 19,162,240.20 is: 28,743,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,048.20 : 30,003,072.30 = 19,162,240.20 : x
  2. Step 2: Convert to fraction form
    20,002,048.20/30,003,072.30 = 19,162,240.20/x
  3. Step 3: Cross multiply
    20,002,048.20x = 30,003,072.30 × 19,162,240.20
  4. Step 4: Simplify right side
    20,002,048.20x = 574,926,078,150,566.50
  5. Step 5: Solve for x
    x = 574,926,078,150,566.50/20,002,048.20
  6. Step 6: Final answer
    x = 28,743,360.30

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Double scale
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Similar ratio
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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.