Home / 6,872,578.98-9,483,605.90-3,972,157.71

Finding the Fourth Proportional to 6,872,578.98, 9,483,605.90 and 3,972,157.71

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Solution

The fourth proportional to 6,872,578.98, 9,483,605.90 and 3,972,157.71 is: 5,481,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,578.98 : 9,483,605.90 = 3,972,157.71 : x
  2. Step 2: Convert to fraction form
    6,872,578.98/9,483,605.90 = 3,972,157.71/x
  3. Step 3: Cross multiply
    6,872,578.98x = 9,483,605.90 × 3,972,157.71
  4. Step 4: Simplify right side
    6,872,578.98x = 37,670,378,227,007.67
  5. Step 5: Solve for x
    x = 37,670,378,227,007.67/6,872,578.98
  6. Step 6: Final answer
    x = 5,481,257.96

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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.