Home / 7,966,168.20-11,949,252.30-2,647,384.20

Finding the Fourth Proportional to 7,966,168.20, 11,949,252.30 and 2,647,384.20

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Solution

The fourth proportional to 7,966,168.20, 11,949,252.30 and 2,647,384.20 is: 3,971,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966,168.20 : 11,949,252.30 = 2,647,384.20 : x
  2. Step 2: Convert to fraction form
    7,966,168.20/11,949,252.30 = 2,647,384.20/x
  3. Step 3: Cross multiply
    7,966,168.20x = 11,949,252.30 × 2,647,384.20
  4. Step 4: Simplify right side
    7,966,168.20x = 31,634,261,740,833.66
  5. Step 5: Solve for x
    x = 31,634,261,740,833.66/7,966,168.20
  6. Step 6: Final answer
    x = 3,971,076.30

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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.