Home / 27,895,119.96-38,505,707.88-20,945,872.32

Finding the Fourth Proportional to 27,895,119.96, 38,505,707.88 and 20,945,872.32

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Solution

The fourth proportional to 27,895,119.96, 38,505,707.88 and 20,945,872.32 is: 28,913,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895,119.96 : 38,505,707.88 = 20,945,872.32 : x
  2. Step 2: Convert to fraction form
    27,895,119.96/38,505,707.88 = 20,945,872.32/x
  3. Step 3: Cross multiply
    27,895,119.96x = 38,505,707.88 × 20,945,872.32
  4. Step 4: Simplify right side
    27,895,119.96x = 806,535,640,845,698
  5. Step 5: Solve for x
    x = 806,535,640,845,698/27,895,119.96
  6. Step 6: Final answer
    x = 28,913,144.74

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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.