Home / 36,233,556.72-54,384,386.99-18,974,145.78

Finding the Fourth Proportional to 36,233,556.72, 54,384,386.99 and 18,974,145.78

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Solution

The fourth proportional to 36,233,556.72, 54,384,386.99 and 18,974,145.78 is: 28,479,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,233,556.72 : 54,384,386.99 = 18,974,145.78 : x
  2. Step 2: Convert to fraction form
    36,233,556.72/54,384,386.99 = 18,974,145.78/x
  3. Step 3: Cross multiply
    36,233,556.72x = 54,384,386.99 × 18,974,145.78
  4. Step 4: Simplify right side
    36,233,556.72x = 1,031,897,286,809,324.75
  5. Step 5: Solve for x
    x = 1,031,897,286,809,324.75/36,233,556.72
  6. Step 6: Final answer
    x = 28,479,050.37

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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.