Home / 11,393,221.14-17,078,021.52-7,123,584.78

Finding the Fourth Proportional to 11,393,221.14, 17,078,021.52 and 7,123,584.78

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Solution

The fourth proportional to 11,393,221.14, 17,078,021.52 and 7,123,584.78 is: 10,677,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393,221.14 : 17,078,021.52 = 7,123,584.78 : x
  2. Step 2: Convert to fraction form
    11,393,221.14/17,078,021.52 = 7,123,584.78/x
  3. Step 3: Cross multiply
    11,393,221.14x = 17,078,021.52 × 7,123,584.78
  4. Step 4: Simplify right side
    11,393,221.14x = 121,656,734,172,384.47
  5. Step 5: Solve for x
    x = 121,656,734,172,384.47/11,393,221.14
  6. Step 6: Final answer
    x = 10,677,992.88

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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.