Home / 14,469,147.86-19,966,907.42-8,189,540.43

Finding the Fourth Proportional to 14,469,147.86, 19,966,907.42 and 8,189,540.43

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Solution

The fourth proportional to 14,469,147.86, 19,966,907.42 and 8,189,540.43 is: 11,301,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469,147.86 : 19,966,907.42 = 8,189,540.43 : x
  2. Step 2: Convert to fraction form
    14,469,147.86/19,966,907.42 = 8,189,540.43/x
  3. Step 3: Cross multiply
    14,469,147.86x = 19,966,907.42 × 8,189,540.43
  4. Step 4: Simplify right side
    14,469,147.86x = 163,519,795,523,754.94
  5. Step 5: Solve for x
    x = 163,519,795,523,754.94/14,469,147.86
  6. Step 6: Final answer
    x = 11,301,273.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.