Home / 18,954,022.80-28,431,034.20-15,804,742.80

Finding the Fourth Proportional to 18,954,022.80, 28,431,034.20 and 15,804,742.80

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Solution

The fourth proportional to 18,954,022.80, 28,431,034.20 and 15,804,742.80 is: 23,707,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,022.80 : 28,431,034.20 = 15,804,742.80 : x
  2. Step 2: Convert to fraction form
    18,954,022.80/28,431,034.20 = 15,804,742.80/x
  3. Step 3: Cross multiply
    18,954,022.80x = 28,431,034.20 × 15,804,742.80
  4. Step 4: Simplify right side
    18,954,022.80x = 449,345,183,069,003.75
  5. Step 5: Solve for x
    x = 449,345,183,069,003.75/18,954,022.80
  6. Step 6: Final answer
    x = 23,707,114.20

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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.