Home / 7,202,940.70-9,940,915.83-4,147,750.30

Finding the Fourth Proportional to 7,202,940.70, 9,940,915.83 and 4,147,750.30

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Solution

The fourth proportional to 7,202,940.70, 9,940,915.83 and 4,147,750.30 is: 5,724,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,940.70 : 9,940,915.83 = 4,147,750.30 : x
  2. Step 2: Convert to fraction form
    7,202,940.70/9,940,915.83 = 4,147,750.30/x
  3. Step 3: Cross multiply
    7,202,940.70x = 9,940,915.83 × 4,147,750.30
  4. Step 4: Simplify right side
    7,202,940.70x = 41,232,436,616,157.25
  5. Step 5: Solve for x
    x = 41,232,436,616,157.25/7,202,940.70
  6. Step 6: Final answer
    x = 5,724,389.29

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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.