Home / 7,202,937.70-9,940,911.69-4,147,747.30

Finding the Fourth Proportional to 7,202,937.70, 9,940,911.69 and 4,147,747.30

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Solution

The fourth proportional to 7,202,937.70, 9,940,911.69 and 4,147,747.30 is: 5,724,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,937.70 : 9,940,911.69 = 4,147,747.30 : x
  2. Step 2: Convert to fraction form
    7,202,937.70/9,940,911.69 = 4,147,747.30/x
  3. Step 3: Cross multiply
    7,202,937.70x = 9,940,911.69 × 4,147,747.30
  4. Step 4: Simplify right side
    7,202,937.70x = 41,232,389,621,735.93
  5. Step 5: Solve for x
    x = 41,232,389,621,735.93/7,202,937.70
  6. Step 6: Final answer
    x = 5,724,385.15

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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.