Home / 15,226,205.58-21,012,121.44-8,701,859.70

Finding the Fourth Proportional to 15,226,205.58, 21,012,121.44 and 8,701,859.70

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Solution

The fourth proportional to 15,226,205.58, 21,012,121.44 and 8,701,859.70 is: 12,008,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226,205.58 : 21,012,121.44 = 8,701,859.70 : x
  2. Step 2: Convert to fraction form
    15,226,205.58/21,012,121.44 = 8,701,859.70/x
  3. Step 3: Cross multiply
    15,226,205.58x = 21,012,121.44 × 8,701,859.70
  4. Step 4: Simplify right side
    15,226,205.58x = 182,844,532,770,241.97
  5. Step 5: Solve for x
    x = 182,844,532,770,241.97/15,226,205.58
  6. Step 6: Final answer
    x = 12,008,542.23

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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.