Home / 21,936,900.52-30,272,903.46-12,147,344.20

Finding the Fourth Proportional to 21,936,900.52, 30,272,903.46 and 12,147,344.20

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Solution

The fourth proportional to 21,936,900.52, 30,272,903.46 and 12,147,344.20 is: 16,763,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,900.52 : 30,272,903.46 = 12,147,344.20 : x
  2. Step 2: Convert to fraction form
    21,936,900.52/30,272,903.46 = 12,147,344.20/x
  3. Step 3: Cross multiply
    21,936,900.52x = 30,272,903.46 × 12,147,344.20
  4. Step 4: Simplify right side
    21,936,900.52x = 367,735,378,261,990.94
  5. Step 5: Solve for x
    x = 367,735,378,261,990.94/21,936,900.52
  6. Step 6: Final answer
    x = 16,763,324.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.