Home / 30,267,286.20-45,400,929.30-19,496,748.60

Finding the Fourth Proportional to 30,267,286.20, 45,400,929.30 and 19,496,748.60

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Solution

The fourth proportional to 30,267,286.20, 45,400,929.30 and 19,496,748.60 is: 29,245,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267,286.20 : 45,400,929.30 = 19,496,748.60 : x
  2. Step 2: Convert to fraction form
    30,267,286.20/45,400,929.30 = 19,496,748.60/x
  3. Step 3: Cross multiply
    30,267,286.20x = 45,400,929.30 × 19,496,748.60
  4. Step 4: Simplify right side
    30,267,286.20x = 885,170,504,768,474
  5. Step 5: Solve for x
    x = 885,170,504,768,474/30,267,286.20
  6. Step 6: Final answer
    x = 29,245,122.90

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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.