Home / 11,719,272.78-17,557,649.10-8,652,858.21

Finding the Fourth Proportional to 11,719,272.78, 17,557,649.10 and 8,652,858.21

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Solution

The fourth proportional to 11,719,272.78, 17,557,649.10 and 8,652,858.21 is: 12,963,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719,272.78 : 17,557,649.10 = 8,652,858.21 : x
  2. Step 2: Convert to fraction form
    11,719,272.78/17,557,649.10 = 8,652,858.21/x
  3. Step 3: Cross multiply
    11,719,272.78x = 17,557,649.10 × 8,652,858.21
  4. Step 4: Simplify right side
    11,719,272.78x = 151,923,848,163,234.12
  5. Step 5: Solve for x
    x = 151,923,848,163,234.12/11,719,272.78
  6. Step 6: Final answer
    x = 12,963,590.06

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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.