Home / 18,723,945.97-28,088,992.89-5,770,098.82

Finding the Fourth Proportional to 18,723,945.97, 28,088,992.89 and 5,770,098.82

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Solution

The fourth proportional to 18,723,945.97, 28,088,992.89 and 5,770,098.82 is: 8,656,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,945.97 : 28,088,992.89 = 5,770,098.82 : x
  2. Step 2: Convert to fraction form
    18,723,945.97/28,088,992.89 = 5,770,098.82/x
  3. Step 3: Cross multiply
    18,723,945.97x = 28,088,992.89 × 5,770,098.82
  4. Step 4: Simplify right side
    18,723,945.97x = 162,076,264,729,577.41
  5. Step 5: Solve for x
    x = 162,076,264,729,577.41/18,723,945.97
  6. Step 6: Final answer
    x = 8,656,095.51

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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.