Home / 7,204,381.64-9,942,125.12-3,941,126.30

Finding the Fourth Proportional to 7,204,381.64, 9,942,125.12 and 3,941,126.30

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Solution

The fourth proportional to 7,204,381.64, 9,942,125.12 and 3,941,126.30 is: 5,438,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,381.64 : 9,942,125.12 = 3,941,126.30 : x
  2. Step 2: Convert to fraction form
    7,204,381.64/9,942,125.12 = 3,941,126.30/x
  3. Step 3: Cross multiply
    7,204,381.64x = 9,942,125.12 × 3,941,126.30
  4. Step 4: Simplify right side
    7,204,381.64x = 39,183,170,788,322.65
  5. Step 5: Solve for x
    x = 39,183,170,788,322.65/7,204,381.64
  6. Step 6: Final answer
    x = 5,438,797.21

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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.