Home / 17,007,698.70-25,511,548.05-15,519,663.90

Finding the Fourth Proportional to 17,007,698.70, 25,511,548.05 and 15,519,663.90

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Solution

The fourth proportional to 17,007,698.70, 25,511,548.05 and 15,519,663.90 is: 23,279,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007,698.70 : 25,511,548.05 = 15,519,663.90 : x
  2. Step 2: Convert to fraction form
    17,007,698.70/25,511,548.05 = 15,519,663.90/x
  3. Step 3: Cross multiply
    17,007,698.70x = 25,511,548.05 × 15,519,663.90
  4. Step 4: Simplify right side
    17,007,698.70x = 395,930,651,304,700.44
  5. Step 5: Solve for x
    x = 395,930,651,304,700.44/17,007,698.70
  6. Step 6: Final answer
    x = 23,279,495.85

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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.