Home / 14,342,684-19,792,904.38-7,904,156

Finding the Fourth Proportional to 14,342,684, 19,792,904.38 and 7,904,156

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Solution

The fourth proportional to 14,342,684, 19,792,904.38 and 7,904,156 is: 10,907,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,684 : 19,792,904.38 = 7,904,156 : x
  2. Step 2: Convert to fraction form
    14,342,684/19,792,904.38 = 7,904,156/x
  3. Step 3: Cross multiply
    14,342,684x = 19,792,904.38 × 7,904,156
  4. Step 4: Simplify right side
    14,342,684x = 156,446,203,912,603.28
  5. Step 5: Solve for x
    x = 156,446,203,912,603.28/14,342,684
  6. Step 6: Final answer
    x = 10,907,735.53

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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.