Home / 15,914,235.50-21,961,645-8,670,891.50

Finding the Fourth Proportional to 15,914,235.50, 21,961,645 and 8,670,891.50

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Solution

The fourth proportional to 15,914,235.50, 21,961,645 and 8,670,891.50 is: 11,965,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,235.50 : 21,961,645 = 8,670,891.50 : x
  2. Step 2: Convert to fraction form
    15,914,235.50/21,961,645 = 8,670,891.50/x
  3. Step 3: Cross multiply
    15,914,235.50x = 21,961,645 × 8,670,891.50
  4. Step 4: Simplify right side
    15,914,235.50x = 190,427,040,956,517.50
  5. Step 5: Solve for x
    x = 190,427,040,956,517.50/15,914,235.50
  6. Step 6: Final answer
    x = 11,965,830.28

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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.