Home / 20,093,961.36-30,102,910.02-11,872,015.32

Finding the Fourth Proportional to 20,093,961.36, 30,102,910.02 and 11,872,015.32

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Solution

The fourth proportional to 20,093,961.36, 30,102,910.02 and 11,872,015.32 is: 17,785,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093,961.36 : 30,102,910.02 = 11,872,015.32 : x
  2. Step 2: Convert to fraction form
    20,093,961.36/30,102,910.02 = 11,872,015.32/x
  3. Step 3: Cross multiply
    20,093,961.36x = 30,102,910.02 × 11,872,015.32
  4. Step 4: Simplify right side
    20,093,961.36x = 357,382,208,934,021.50
  5. Step 5: Solve for x
    x = 357,382,208,934,021.50/20,093,961.36
  6. Step 6: Final answer
    x = 17,785,552.71

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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.