Home / 20,415,062.55-30,622,593.83-18,183,010.35

Finding the Fourth Proportional to 20,415,062.55, 30,622,593.83 and 18,183,010.35

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Solution

The fourth proportional to 20,415,062.55, 30,622,593.83 and 18,183,010.35 is: 27,274,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,062.55 : 30,622,593.83 = 18,183,010.35 : x
  2. Step 2: Convert to fraction form
    20,415,062.55/30,622,593.83 = 18,183,010.35/x
  3. Step 3: Cross multiply
    20,415,062.55x = 30,622,593.83 × 18,183,010.35
  4. Step 4: Simplify right side
    20,415,062.55x = 556,810,940,463,821.12
  5. Step 5: Solve for x
    x = 556,810,940,463,821.12/20,415,062.55
  6. Step 6: Final answer
    x = 27,274,515.53

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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.