Home / 20,287,942.17-30,436,578.94-6,641,528.73

Finding the Fourth Proportional to 20,287,942.17, 30,436,578.94 and 6,641,528.73

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Solution

The fourth proportional to 20,287,942.17, 30,436,578.94 and 6,641,528.73 is: 9,963,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,942.17 : 30,436,578.94 = 6,641,528.73 : x
  2. Step 2: Convert to fraction form
    20,287,942.17/30,436,578.94 = 6,641,528.73/x
  3. Step 3: Cross multiply
    20,287,942.17x = 30,436,578.94 × 6,641,528.73
  4. Step 4: Simplify right side
    20,287,942.17x = 202,145,413,472,922.97
  5. Step 5: Solve for x
    x = 202,145,413,472,922.97/20,287,942.17
  6. Step 6: Final answer
    x = 9,963,820.47

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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.