Home / 12,936,481.80-19,404,780.30-3,351,179.40

Finding the Fourth Proportional to 12,936,481.80, 19,404,780.30 and 3,351,179.40

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Solution

The fourth proportional to 12,936,481.80, 19,404,780.30 and 3,351,179.40 is: 5,026,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,481.80 : 19,404,780.30 = 3,351,179.40 : x
  2. Step 2: Convert to fraction form
    12,936,481.80/19,404,780.30 = 3,351,179.40/x
  3. Step 3: Cross multiply
    12,936,481.80x = 19,404,780.30 × 3,351,179.40
  4. Step 4: Simplify right side
    12,936,481.80x = 65,028,900,002,885.82
  5. Step 5: Solve for x
    x = 65,028,900,002,885.82/12,936,481.80
  6. Step 6: Final answer
    x = 5,026,784.02

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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.