Home / 38,474,343.29-53,093,556.81-21,954,168.92

Finding the Fourth Proportional to 38,474,343.29, 53,093,556.81 and 21,954,168.92

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Solution

The fourth proportional to 38,474,343.29, 53,093,556.81 and 21,954,168.92 is: 30,296,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474,343.29 : 53,093,556.81 = 21,954,168.92 : x
  2. Step 2: Convert to fraction form
    38,474,343.29/53,093,556.81 = 21,954,168.92/x
  3. Step 3: Cross multiply
    38,474,343.29x = 53,093,556.81 × 21,954,168.92
  4. Step 4: Simplify right side
    38,474,343.29x = 1,165,624,914,903,090.25
  5. Step 5: Solve for x
    x = 1,165,624,914,903,090.25/38,474,343.29
  6. Step 6: Final answer
    x = 30,296,161.42

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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.