Home / 30,431,651.31-45,647,474.19-13,392,324.24

Finding the Fourth Proportional to 30,431,651.31, 45,647,474.19 and 13,392,324.24

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Solution

The fourth proportional to 30,431,651.31, 45,647,474.19 and 13,392,324.24 is: 20,088,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431,651.31 : 45,647,474.19 = 13,392,324.24 : x
  2. Step 2: Convert to fraction form
    30,431,651.31/45,647,474.19 = 13,392,324.24/x
  3. Step 3: Cross multiply
    30,431,651.31x = 45,647,474.19 × 13,392,324.24
  4. Step 4: Simplify right side
    30,431,651.31x = 611,325,775,089,511.38
  5. Step 5: Solve for x
    x = 611,325,775,089,511.38/30,431,651.31
  6. Step 6: Final answer
    x = 20,088,485.14

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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.