Home / 13,753,523.67-18,980,317.71-7,558,789.96

Finding the Fourth Proportional to 13,753,523.67, 18,980,317.71 and 7,558,789.96

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Solution

The fourth proportional to 13,753,523.67, 18,980,317.71 and 7,558,789.96 is: 10,431,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,523.67 : 18,980,317.71 = 7,558,789.96 : x
  2. Step 2: Convert to fraction form
    13,753,523.67/18,980,317.71 = 7,558,789.96/x
  3. Step 3: Cross multiply
    13,753,523.67x = 18,980,317.71 × 7,558,789.96
  4. Step 4: Simplify right side
    13,753,523.67x = 143,468,234,860,919.31
  5. Step 5: Solve for x
    x = 143,468,234,860,919.31/13,753,523.67
  6. Step 6: Final answer
    x = 10,431,380.23

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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.