Home / 12,967,954.22-17,895,805.36-7,087,682.57

Finding the Fourth Proportional to 12,967,954.22, 17,895,805.36 and 7,087,682.57

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Solution

The fourth proportional to 12,967,954.22, 17,895,805.36 and 7,087,682.57 is: 9,781,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967,954.22 : 17,895,805.36 = 7,087,682.57 : x
  2. Step 2: Convert to fraction form
    12,967,954.22/17,895,805.36 = 7,087,682.57/x
  3. Step 3: Cross multiply
    12,967,954.22x = 17,895,805.36 × 7,087,682.57
  4. Step 4: Simplify right side
    12,967,954.22x = 126,839,787,618,986.36
  5. Step 5: Solve for x
    x = 126,839,787,618,986.36/12,967,954.22
  6. Step 6: Final answer
    x = 9,781,017.54

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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.