Home / 12,946,294.20-19,419,441.30-8,159,388.60

Finding the Fourth Proportional to 12,946,294.20, 19,419,441.30 and 8,159,388.60

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Solution

The fourth proportional to 12,946,294.20, 19,419,441.30 and 8,159,388.60 is: 12,239,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,294.20 : 19,419,441.30 = 8,159,388.60 : x
  2. Step 2: Convert to fraction form
    12,946,294.20/19,419,441.30 = 8,159,388.60/x
  3. Step 3: Cross multiply
    12,946,294.20x = 19,419,441.30 × 8,159,388.60
  4. Step 4: Simplify right side
    12,946,294.20x = 158,450,767,961,589.19
  5. Step 5: Solve for x
    x = 158,450,767,961,589.19/12,946,294.20
  6. Step 6: Final answer
    x = 12,239,082.90

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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.