Home / 10,941,160.88-16,397,071.40-8,515,243.49

Finding the Fourth Proportional to 10,941,160.88, 16,397,071.40 and 8,515,243.49

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Solution

The fourth proportional to 10,941,160.88, 16,397,071.40 and 8,515,243.49 is: 12,761,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941,160.88 : 16,397,071.40 = 8,515,243.49 : x
  2. Step 2: Convert to fraction form
    10,941,160.88/16,397,071.40 = 8,515,243.49/x
  3. Step 3: Cross multiply
    10,941,160.88x = 16,397,071.40 × 8,515,243.49
  4. Step 4: Simplify right side
    10,941,160.88x = 139,625,055,433,217.92
  5. Step 5: Solve for x
    x = 139,625,055,433,217.92/10,941,160.88
  6. Step 6: Final answer
    x = 12,761,447.98

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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.