Home / 15,276,228.41-21,080,553.49-8,661,261.88

Finding the Fourth Proportional to 15,276,228.41, 21,080,553.49 and 8,661,261.88

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Solution

The fourth proportional to 15,276,228.41, 21,080,553.49 and 8,661,261.88 is: 11,952,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,228.41 : 21,080,553.49 = 8,661,261.88 : x
  2. Step 2: Convert to fraction form
    15,276,228.41/21,080,553.49 = 8,661,261.88/x
  3. Step 3: Cross multiply
    15,276,228.41x = 21,080,553.49 × 8,661,261.88
  4. Step 4: Simplify right side
    15,276,228.41x = 182,584,194,238,357.38
  5. Step 5: Solve for x
    x = 182,584,194,238,357.38/15,276,228.41
  6. Step 6: Final answer
    x = 11,952,177.55

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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.