Home / 9,982,144.65-13,775,997.74-5,629,642.95

Finding the Fourth Proportional to 9,982,144.65, 13,775,997.74 and 5,629,642.95

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Solution

The fourth proportional to 9,982,144.65, 13,775,997.74 and 5,629,642.95 is: 7,769,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,144.65 : 13,775,997.74 = 5,629,642.95 : x
  2. Step 2: Convert to fraction form
    9,982,144.65/13,775,997.74 = 5,629,642.95/x
  3. Step 3: Cross multiply
    9,982,144.65x = 13,775,997.74 × 5,629,642.95
  4. Step 4: Simplify right side
    9,982,144.65x = 77,553,948,528,058.72
  5. Step 5: Solve for x
    x = 77,553,948,528,058.72/9,982,144.65
  6. Step 6: Final answer
    x = 7,769,267.15

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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.