Home / 20,033,514.85-27,645,979.19-11,212,963.50

Finding the Fourth Proportional to 20,033,514.85, 27,645,979.19 and 11,212,963.50

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Solution

The fourth proportional to 20,033,514.85, 27,645,979.19 and 11,212,963.50 is: 15,473,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033,514.85 : 27,645,979.19 = 11,212,963.50 : x
  2. Step 2: Convert to fraction form
    20,033,514.85/27,645,979.19 = 11,212,963.50/x
  3. Step 3: Cross multiply
    20,033,514.85x = 27,645,979.19 × 11,212,963.50
  4. Step 4: Simplify right side
    20,033,514.85x = 309,993,355,523,164.75
  5. Step 5: Solve for x
    x = 309,993,355,523,164.75/20,033,514.85
  6. Step 6: Final answer
    x = 15,473,737.78

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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.