Home / 15,719,783.62-21,693,079.16-8,844,249.28

Finding the Fourth Proportional to 15,719,783.62, 21,693,079.16 and 8,844,249.28

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Solution

The fourth proportional to 15,719,783.62, 21,693,079.16 and 8,844,249.28 is: 12,204,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,783.62 : 21,693,079.16 = 8,844,249.28 : x
  2. Step 2: Convert to fraction form
    15,719,783.62/21,693,079.16 = 8,844,249.28/x
  3. Step 3: Cross multiply
    15,719,783.62x = 21,693,079.16 × 8,844,249.28
  4. Step 4: Simplify right side
    15,719,783.62x = 191,858,999,741,813
  5. Step 5: Solve for x
    x = 191,858,999,741,813/15,719,783.62
  6. Step 6: Final answer
    x = 12,204,938.97

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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.