Home / 11,623,375.78-17,438,987.36-5,145,557.57

Finding the Fourth Proportional to 11,623,375.78, 17,438,987.36 and 5,145,557.57

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Solution

The fourth proportional to 11,623,375.78, 17,438,987.36 and 5,145,557.57 is: 7,720,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623,375.78 : 17,438,987.36 = 5,145,557.57 : x
  2. Step 2: Convert to fraction form
    11,623,375.78/17,438,987.36 = 5,145,557.57/x
  3. Step 3: Cross multiply
    11,623,375.78x = 17,438,987.36 × 5,145,557.57
  4. Step 4: Simplify right side
    11,623,375.78x = 89,733,313,423,382.31
  5. Step 5: Solve for x
    x = 89,733,313,423,382.31/11,623,375.78
  6. Step 6: Final answer
    x = 7,720,073.34

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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.