Home / 18,727,195.38-28,090,793.07-5,264,023.38

Finding the Fourth Proportional to 18,727,195.38, 28,090,793.07 and 5,264,023.38

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Solution

The fourth proportional to 18,727,195.38, 28,090,793.07 and 5,264,023.38 is: 7,896,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,195.38 : 28,090,793.07 = 5,264,023.38 : x
  2. Step 2: Convert to fraction form
    18,727,195.38/28,090,793.07 = 5,264,023.38/x
  3. Step 3: Cross multiply
    18,727,195.38x = 28,090,793.07 × 5,264,023.38
  4. Step 4: Simplify right side
    18,727,195.38x = 147,870,591,483,221.97
  5. Step 5: Solve for x
    x = 147,870,591,483,221.97/18,727,195.38
  6. Step 6: Final answer
    x = 7,896,035.07

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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.