Home / 12,474,301.20-18,718,450.20-5,284,611.60

Finding the Fourth Proportional to 12,474,301.20, 18,718,450.20 and 5,284,611.60

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Solution

The fourth proportional to 12,474,301.20, 18,718,450.20 and 5,284,611.60 is: 7,929,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,301.20 : 18,718,450.20 = 5,284,611.60 : x
  2. Step 2: Convert to fraction form
    12,474,301.20/18,718,450.20 = 5,284,611.60/x
  3. Step 3: Cross multiply
    12,474,301.20x = 18,718,450.20 × 5,284,611.60
  4. Step 4: Simplify right side
    12,474,301.20x = 98,919,739,060,942.31
  5. Step 5: Solve for x
    x = 98,919,739,060,942.31/12,474,301.20
  6. Step 6: Final answer
    x = 7,929,882.20

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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.