Home / 13,762,481.18-18,992,711.12-7,567,997.47

Finding the Fourth Proportional to 13,762,481.18, 18,992,711.12 and 7,567,997.47

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Solution

The fourth proportional to 13,762,481.18, 18,992,711.12 and 7,567,997.47 is: 10,444,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,481.18 : 18,992,711.12 = 7,567,997.47 : x
  2. Step 2: Convert to fraction form
    13,762,481.18/18,992,711.12 = 7,567,997.47/x
  3. Step 3: Cross multiply
    13,762,481.18x = 18,992,711.12 × 7,567,997.47
  4. Step 4: Simplify right side
    13,762,481.18x = 143,736,789,619,279.09
  5. Step 5: Solve for x
    x = 143,736,789,619,279.09/13,762,481.18
  6. Step 6: Final answer
    x = 10,444,104.36

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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.