Home / 21,932,631.60-32,969,806.20-20,232,020.40

Finding the Fourth Proportional to 21,932,631.60, 32,969,806.20 and 20,232,020.40

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Solution

The fourth proportional to 21,932,631.60, 32,969,806.20 and 20,232,020.40 is: 30,413,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,631.60 : 32,969,806.20 = 20,232,020.40 : x
  2. Step 2: Convert to fraction form
    21,932,631.60/32,969,806.20 = 20,232,020.40/x
  3. Step 3: Cross multiply
    21,932,631.60x = 32,969,806.20 × 20,232,020.40
  4. Step 4: Simplify right side
    21,932,631.60x = 667,045,791,622,446.38
  5. Step 5: Solve for x
    x = 667,045,791,622,446.38/21,932,631.60
  6. Step 6: Final answer
    x = 30,413,395.15

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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.