Home / 27,598,351.88-38,085,977.49-15,208,889.85

Finding the Fourth Proportional to 27,598,351.88, 38,085,977.49 and 15,208,889.85

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Solution

The fourth proportional to 27,598,351.88, 38,085,977.49 and 15,208,889.85 is: 20,988,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,598,351.88 : 38,085,977.49 = 15,208,889.85 : x
  2. Step 2: Convert to fraction form
    27,598,351.88/38,085,977.49 = 15,208,889.85/x
  3. Step 3: Cross multiply
    27,598,351.88x = 38,085,977.49 × 15,208,889.85
  4. Step 4: Simplify right side
    27,598,351.88x = 579,245,436,375,024.62
  5. Step 5: Solve for x
    x = 579,245,436,375,024.62/27,598,351.88
  6. Step 6: Final answer
    x = 20,988,406.80

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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.