Home / 15,517,076.69-21,415,247.43-8,548,468.13

Finding the Fourth Proportional to 15,517,076.69, 21,415,247.43 and 8,548,468.13

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Solution

The fourth proportional to 15,517,076.69, 21,415,247.43 and 8,548,468.13 is: 11,797,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,076.69 : 21,415,247.43 = 8,548,468.13 : x
  2. Step 2: Convert to fraction form
    15,517,076.69/21,415,247.43 = 8,548,468.13/x
  3. Step 3: Cross multiply
    15,517,076.69x = 21,415,247.43 × 8,548,468.13
  4. Step 4: Simplify right side
    15,517,076.69x = 183,067,560,151,419.41
  5. Step 5: Solve for x
    x = 183,067,560,151,419.41/15,517,076.69
  6. Step 6: Final answer
    x = 11,797,812.42

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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.