Home / 20,848,706.43-31,273,717.80-7,202,630.15

Finding the Fourth Proportional to 20,848,706.43, 31,273,717.80 and 7,202,630.15

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Solution

The fourth proportional to 20,848,706.43, 31,273,717.80 and 7,202,630.15 is: 10,804,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,706.43 : 31,273,717.80 = 7,202,630.15 : x
  2. Step 2: Convert to fraction form
    20,848,706.43/31,273,717.80 = 7,202,630.15/x
  3. Step 3: Cross multiply
    20,848,706.43x = 31,273,717.80 × 7,202,630.15
  4. Step 4: Simplify right side
    20,848,706.43x = 225,253,022,728,871.69
  5. Step 5: Solve for x
    x = 225,253,022,728,871.69/20,848,706.43
  6. Step 6: Final answer
    x = 10,804,172.60

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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.