Home / 18,753,784.93-28,131,620.89-5,975,286.09

Finding the Fourth Proportional to 18,753,784.93, 28,131,620.89 and 5,975,286.09

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Solution

The fourth proportional to 18,753,784.93, 28,131,620.89 and 5,975,286.09 is: 8,963,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,784.93 : 28,131,620.89 = 5,975,286.09 : x
  2. Step 2: Convert to fraction form
    18,753,784.93/28,131,620.89 = 5,975,286.09/x
  3. Step 3: Cross multiply
    18,753,784.93x = 28,131,620.89 × 5,975,286.09
  4. Step 4: Simplify right side
    18,753,784.93x = 168,094,482,946,259.97
  5. Step 5: Solve for x
    x = 168,094,482,946,259.97/18,753,784.93
  6. Step 6: Final answer
    x = 8,963,229.74

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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.