Home / 13,792,983.45-20,691,192.78-4,694,381.84

Finding the Fourth Proportional to 13,792,983.45, 20,691,192.78 and 4,694,381.84

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Solution

The fourth proportional to 13,792,983.45, 20,691,192.78 and 4,694,381.84 is: 7,042,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792,983.45 : 20,691,192.78 = 4,694,381.84 : x
  2. Step 2: Convert to fraction form
    13,792,983.45/20,691,192.78 = 4,694,381.84/x
  3. Step 3: Cross multiply
    13,792,983.45x = 20,691,192.78 × 4,694,381.84
  4. Step 4: Simplify right side
    13,792,983.45x = 97,132,359,530,915.16
  5. Step 5: Solve for x
    x = 97,132,359,530,915.16/13,792,983.45
  6. Step 6: Final answer
    x = 7,042,157.33

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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.