Home / 20,794,268.54-28,694,164.83-11,501,638.62

Finding the Fourth Proportional to 20,794,268.54, 28,694,164.83 and 11,501,638.62

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Solution

The fourth proportional to 20,794,268.54, 28,694,164.83 and 11,501,638.62 is: 15,871,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,268.54 : 28,694,164.83 = 11,501,638.62 : x
  2. Step 2: Convert to fraction form
    20,794,268.54/28,694,164.83 = 11,501,638.62/x
  3. Step 3: Cross multiply
    20,794,268.54x = 28,694,164.83 × 11,501,638.62
  4. Step 4: Simplify right side
    20,794,268.54x = 330,029,914,377,373.69
  5. Step 5: Solve for x
    x = 330,029,914,377,373.69/20,794,268.54
  6. Step 6: Final answer
    x = 15,871,196.13

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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.