Home / 6,628,958.73-9,147,872.88-3,728,348.82

Finding the Fourth Proportional to 6,628,958.73, 9,147,872.88 and 3,728,348.82

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Solution

The fourth proportional to 6,628,958.73, 9,147,872.88 and 3,728,348.82 is: 5,145,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,958.73 : 9,147,872.88 = 3,728,348.82 : x
  2. Step 2: Convert to fraction form
    6,628,958.73/9,147,872.88 = 3,728,348.82/x
  3. Step 3: Cross multiply
    6,628,958.73x = 9,147,872.88 × 3,728,348.82
  4. Step 4: Simplify right side
    6,628,958.73x = 34,106,461,057,658.00
  5. Step 5: Solve for x
    x = 34,106,461,057,658.00/6,628,958.73
  6. Step 6: Final answer
    x = 5,145,070.66

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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.