Home / 18,270,821.75-27,407,493.65-5,317,079.54

Finding the Fourth Proportional to 18,270,821.75, 27,407,493.65 and 5,317,079.54

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Solution

The fourth proportional to 18,270,821.75, 27,407,493.65 and 5,317,079.54 is: 7,975,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270,821.75 : 27,407,493.65 = 5,317,079.54 : x
  2. Step 2: Convert to fraction form
    18,270,821.75/27,407,493.65 = 5,317,079.54/x
  3. Step 3: Cross multiply
    18,270,821.75x = 27,407,493.65 × 5,317,079.54
  4. Step 4: Simplify right side
    18,270,821.75x = 145,727,823,605,350.16
  5. Step 5: Solve for x
    x = 145,727,823,605,350.16/18,270,821.75
  6. Step 6: Final answer
    x = 7,975,986.28

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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.