Home / 15,267,578.22-21,069,273.78-8,391,912.66

Finding the Fourth Proportional to 15,267,578.22, 21,069,273.78 and 8,391,912.66

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Solution

The fourth proportional to 15,267,578.22, 21,069,273.78 and 8,391,912.66 is: 11,580,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267,578.22 : 21,069,273.78 = 8,391,912.66 : x
  2. Step 2: Convert to fraction form
    15,267,578.22/21,069,273.78 = 8,391,912.66/x
  3. Step 3: Cross multiply
    15,267,578.22x = 21,069,273.78 × 8,391,912.66
  4. Step 4: Simplify right side
    15,267,578.22x = 176,811,505,371,388.06
  5. Step 5: Solve for x
    x = 176,811,505,371,388.06/15,267,578.22
  6. Step 6: Final answer
    x = 11,580,848.18

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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.