Home / 20,747,305.44-28,628,640-11,580,334.56

Finding the Fourth Proportional to 20,747,305.44, 28,628,640 and 11,580,334.56

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Solution

The fourth proportional to 20,747,305.44, 28,628,640 and 11,580,334.56 is: 15,979,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,305.44 : 28,628,640 = 11,580,334.56 : x
  2. Step 2: Convert to fraction form
    20,747,305.44/28,628,640 = 11,580,334.56/x
  3. Step 3: Cross multiply
    20,747,305.44x = 28,628,640 × 11,580,334.56
  4. Step 4: Simplify right side
    20,747,305.44x = 331,529,229,197,798.44
  5. Step 5: Solve for x
    x = 331,529,229,197,798.44/20,747,305.44
  6. Step 6: Final answer
    x = 15,979,387.31

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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.