Home / 21,932,621.60-32,969,791.20-20,232,010.40

Finding the Fourth Proportional to 21,932,621.60, 32,969,791.20 and 20,232,010.40

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Solution

The fourth proportional to 21,932,621.60, 32,969,791.20 and 20,232,010.40 is: 30,413,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,621.60 : 32,969,791.20 = 20,232,010.40 : x
  2. Step 2: Convert to fraction form
    21,932,621.60/32,969,791.20 = 20,232,010.40/x
  3. Step 3: Cross multiply
    21,932,621.60x = 32,969,791.20 × 20,232,010.40
  4. Step 4: Simplify right side
    21,932,621.60x = 667,045,158,444,228.38
  5. Step 5: Solve for x
    x = 667,045,158,444,228.38/21,932,621.60
  6. Step 6: Final answer
    x = 30,413,380.15

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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.