Home / 12,887,252.78-19,366,309.94-12,044,623.55

Finding the Fourth Proportional to 12,887,252.78, 19,366,309.94 and 12,044,623.55

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Solution

The fourth proportional to 12,887,252.78, 19,366,309.94 and 12,044,623.55 is: 18,100,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,252.78 : 19,366,309.94 = 12,044,623.55 : x
  2. Step 2: Convert to fraction form
    12,887,252.78/19,366,309.94 = 12,044,623.55/x
  3. Step 3: Cross multiply
    12,887,252.78x = 19,366,309.94 × 12,044,623.55
  4. Step 4: Simplify right side
    12,887,252.78x = 233,259,912,622,868.41
  5. Step 5: Solve for x
    x = 233,259,912,622,868.41/12,887,252.78
  6. Step 6: Final answer
    x = 18,100,049.46

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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.