Home / 21,909,481.75-32,842,865.96-9,133,640.11

Finding the Fourth Proportional to 21,909,481.75, 32,842,865.96 and 9,133,640.11

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Solution

The fourth proportional to 21,909,481.75, 32,842,865.96 and 9,133,640.11 is: 13,691,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,481.75 : 32,842,865.96 = 9,133,640.11 : x
  2. Step 2: Convert to fraction form
    21,909,481.75/32,842,865.96 = 9,133,640.11/x
  3. Step 3: Cross multiply
    21,909,481.75x = 32,842,865.96 × 9,133,640.11
  4. Step 4: Simplify right side
    21,909,481.75x = 299,974,917,859,609.62
  5. Step 5: Solve for x
    x = 299,974,917,859,609.62/21,909,481.75
  6. Step 6: Final answer
    x = 13,691,556.98

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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.