Home / 7,202,932.20-9,940,904.10-4,147,741.80

Finding the Fourth Proportional to 7,202,932.20, 9,940,904.10 and 4,147,741.80

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Solution

The fourth proportional to 7,202,932.20, 9,940,904.10 and 4,147,741.80 is: 5,724,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,932.20 : 9,940,904.10 = 4,147,741.80 : x
  2. Step 2: Convert to fraction form
    7,202,932.20/9,940,904.10 = 4,147,741.80/x
  3. Step 3: Cross multiply
    7,202,932.20x = 9,940,904.10 × 4,147,741.80
  4. Step 4: Simplify right side
    7,202,932.20x = 41,232,303,465,361.38
  5. Step 5: Solve for x
    x = 41,232,303,465,361.38/7,202,932.20
  6. Step 6: Final answer
    x = 5,724,377.56

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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.