Home / 28,084,096.67-38,756,105.92-15,694,190.11

Finding the Fourth Proportional to 28,084,096.67, 38,756,105.92 and 15,694,190.11

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Solution

The fourth proportional to 28,084,096.67, 38,756,105.92 and 15,694,190.11 is: 21,658,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,096.67 : 38,756,105.92 = 15,694,190.11 : x
  2. Step 2: Convert to fraction form
    28,084,096.67/38,756,105.92 = 15,694,190.11/x
  3. Step 3: Cross multiply
    28,084,096.67x = 38,756,105.92 × 15,694,190.11
  4. Step 4: Simplify right side
    28,084,096.67x = 608,245,693,993,556.38
  5. Step 5: Solve for x
    x = 608,245,693,993,556.38/28,084,096.67
  6. Step 6: Final answer
    x = 21,658,011.69

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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.