Home / 12,509,083.76-17,253,636.50-11,479,914.96

Finding the Fourth Proportional to 12,509,083.76, 17,253,636.50 and 11,479,914.96

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Solution

The fourth proportional to 12,509,083.76, 17,253,636.50 and 11,479,914.96 is: 15,834,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,083.76 : 17,253,636.50 = 11,479,914.96 : x
  2. Step 2: Convert to fraction form
    12,509,083.76/17,253,636.50 = 11,479,914.96/x
  3. Step 3: Cross multiply
    12,509,083.76x = 17,253,636.50 × 11,479,914.96
  4. Step 4: Simplify right side
    12,509,083.76x = 198,070,279,713,352.50
  5. Step 5: Solve for x
    x = 198,070,279,713,352.50/12,509,083.76
  6. Step 6: Final answer
    x = 15,834,115.72

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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.