Home / 12,310,940.22-18,450,438.39-5,015,916.50

Finding the Fourth Proportional to 12,310,940.22, 18,450,438.39 and 5,015,916.50

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Solution

The fourth proportional to 12,310,940.22, 18,450,438.39 and 5,015,916.50 is: 7,517,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,940.22 : 18,450,438.39 = 5,015,916.50 : x
  2. Step 2: Convert to fraction form
    12,310,940.22/18,450,438.39 = 5,015,916.50/x
  3. Step 3: Cross multiply
    12,310,940.22x = 18,450,438.39 × 5,015,916.50
  4. Step 4: Simplify right side
    12,310,940.22x = 92,545,858,260,382.25
  5. Step 5: Solve for x
    x = 92,545,858,260,382.25/12,310,940.22
  6. Step 6: Final answer
    x = 7,517,367.21

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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.