Home / 14,342,692-19,792,915.44-7,904,164

Finding the Fourth Proportional to 14,342,692, 19,792,915.44 and 7,904,164

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Solution

The fourth proportional to 14,342,692, 19,792,915.44 and 7,904,164 is: 10,907,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,692 : 19,792,915.44 = 7,904,164 : x
  2. Step 2: Convert to fraction form
    14,342,692/19,792,915.44 = 7,904,164/x
  3. Step 3: Cross multiply
    14,342,692x = 19,792,915.44 × 7,904,164
  4. Step 4: Simplify right side
    14,342,692x = 156,446,449,675,892.16
  5. Step 5: Solve for x
    x = 156,446,449,675,892.16/14,342,692
  6. Step 6: Final answer
    x = 10,907,746.58

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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.