Home / 6,418,849.13-9,628,834.11-1,626,538.56

Finding the Fourth Proportional to 6,418,849.13, 9,628,834.11 and 1,626,538.56

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Solution

The fourth proportional to 6,418,849.13, 9,628,834.11 and 1,626,538.56 is: 2,439,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,849.13 : 9,628,834.11 = 1,626,538.56 : x
  2. Step 2: Convert to fraction form
    6,418,849.13/9,628,834.11 = 1,626,538.56/x
  3. Step 3: Cross multiply
    6,418,849.13x = 9,628,834.11 × 1,626,538.56
  4. Step 4: Simplify right side
    6,418,849.13x = 15,661,669,967,758.28
  5. Step 5: Solve for x
    x = 15,661,669,967,758.28/6,418,849.13
  6. Step 6: Final answer
    x = 2,439,949.85

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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.