Home / 19,388,949.96-29,080,270.26-9,153,789.96

Finding the Fourth Proportional to 19,388,949.96, 29,080,270.26 and 9,153,789.96

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Solution

The fourth proportional to 19,388,949.96, 29,080,270.26 and 9,153,789.96 is: 13,729,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,949.96 : 29,080,270.26 = 9,153,789.96 : x
  2. Step 2: Convert to fraction form
    19,388,949.96/29,080,270.26 = 9,153,789.96/x
  3. Step 3: Cross multiply
    19,388,949.96x = 29,080,270.26 × 9,153,789.96
  4. Step 4: Simplify right side
    19,388,949.96x = 266,194,685,940,074.62
  5. Step 5: Solve for x
    x = 266,194,685,940,074.62/19,388,949.96
  6. Step 6: Final answer
    x = 13,729,195.57

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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.