Home / 18,456,876.41-27,670,326.30-7,682,242.30

Finding the Fourth Proportional to 18,456,876.41, 27,670,326.30 and 7,682,242.30

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Solution

The fourth proportional to 18,456,876.41, 27,670,326.30 and 7,682,242.30 is: 11,517,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,876.41 : 27,670,326.30 = 7,682,242.30 : x
  2. Step 2: Convert to fraction form
    18,456,876.41/27,670,326.30 = 7,682,242.30/x
  3. Step 3: Cross multiply
    18,456,876.41x = 27,670,326.30 × 7,682,242.30
  4. Step 4: Simplify right side
    18,456,876.41x = 212,570,151,087,486.69
  5. Step 5: Solve for x
    x = 212,570,151,087,486.69/18,456,876.41
  6. Step 6: Final answer
    x = 11,517,124.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.