Home / 7,244,873.82-9,998,165.65-3,981,804.21

Finding the Fourth Proportional to 7,244,873.82, 9,998,165.65 and 3,981,804.21

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Solution

The fourth proportional to 7,244,873.82, 9,998,165.65 and 3,981,804.21 is: 5,495,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,873.82 : 9,998,165.65 = 3,981,804.21 : x
  2. Step 2: Convert to fraction form
    7,244,873.82/9,998,165.65 = 3,981,804.21/x
  3. Step 3: Cross multiply
    7,244,873.82x = 9,998,165.65 × 3,981,804.21
  4. Step 4: Simplify right side
    7,244,873.82x = 39,810,738,057,538.37
  5. Step 5: Solve for x
    x = 39,810,738,057,538.37/7,244,873.82
  6. Step 6: Final answer
    x = 5,495,021.59

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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.