Home / 28,188,223.80-42,286,272.30-12,014,046.60

Finding the Fourth Proportional to 28,188,223.80, 42,286,272.30 and 12,014,046.60

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Solution

The fourth proportional to 28,188,223.80, 42,286,272.30 and 12,014,046.60 is: 18,022,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,223.80 : 42,286,272.30 = 12,014,046.60 : x
  2. Step 2: Convert to fraction form
    28,188,223.80/42,286,272.30 = 12,014,046.60/x
  3. Step 3: Cross multiply
    28,188,223.80x = 42,286,272.30 × 12,014,046.60
  4. Step 4: Simplify right side
    28,188,223.80x = 508,029,245,952,489.12
  5. Step 5: Solve for x
    x = 508,029,245,952,489.12/28,188,223.80
  6. Step 6: Final answer
    x = 18,022,747.71

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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.