Home / 12,949,575.20-19,446,481.20-8,481,658.40

Finding the Fourth Proportional to 12,949,575.20, 19,446,481.20 and 8,481,658.40

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Solution

The fourth proportional to 12,949,575.20, 19,446,481.20 and 8,481,658.40 is: 12,736,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,575.20 : 19,446,481.20 = 8,481,658.40 : x
  2. Step 2: Convert to fraction form
    12,949,575.20/19,446,481.20 = 8,481,658.40/x
  3. Step 3: Cross multiply
    12,949,575.20x = 19,446,481.20 × 8,481,658.40
  4. Step 4: Simplify right side
    12,949,575.20x = 164,938,410,620,422.09
  5. Step 5: Solve for x
    x = 164,938,410,620,422.09/12,949,575.20
  6. Step 6: Final answer
    x = 12,736,974.62

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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.