Home / 21,278,903.94-31,922,839.26-6,900,850.62

Finding the Fourth Proportional to 21,278,903.94, 31,922,839.26 and 6,900,850.62

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Solution

The fourth proportional to 21,278,903.94, 31,922,839.26 and 6,900,850.62 is: 10,352,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,903.94 : 31,922,839.26 = 6,900,850.62 : x
  2. Step 2: Convert to fraction form
    21,278,903.94/31,922,839.26 = 6,900,850.62/x
  3. Step 3: Cross multiply
    21,278,903.94x = 31,922,839.26 × 6,900,850.62
  4. Step 4: Simplify right side
    21,278,903.94x = 220,294,745,099,531.34
  5. Step 5: Solve for x
    x = 220,294,745,099,531.34/21,278,903.94
  6. Step 6: Final answer
    x = 10,352,729.90

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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.