Home / 7,244,889.09-9,998,186.63-3,981,819.48

Finding the Fourth Proportional to 7,244,889.09, 9,998,186.63 and 3,981,819.48

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Solution

The fourth proportional to 7,244,889.09, 9,998,186.63 and 3,981,819.48 is: 5,495,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,889.09 : 9,998,186.63 = 3,981,819.48 : x
  2. Step 2: Convert to fraction form
    7,244,889.09/9,998,186.63 = 3,981,819.48/x
  3. Step 3: Cross multiply
    7,244,889.09x = 9,998,186.63 × 3,981,819.48
  4. Step 4: Simplify right side
    7,244,889.09x = 39,810,974,288,009.55
  5. Step 5: Solve for x
    x = 39,810,974,288,009.55/7,244,889.09
  6. Step 6: Final answer
    x = 5,495,042.61

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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.