Home / 28,609,105.32-42,890,550.30-9,427,890.60

Finding the Fourth Proportional to 28,609,105.32, 42,890,550.30 and 9,427,890.60

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Solution

The fourth proportional to 28,609,105.32, 42,890,550.30 and 9,427,890.60 is: 14,134,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,609,105.32 : 42,890,550.30 = 9,427,890.60 : x
  2. Step 2: Convert to fraction form
    28,609,105.32/42,890,550.30 = 9,427,890.60/x
  3. Step 3: Cross multiply
    28,609,105.32x = 42,890,550.30 × 9,427,890.60
  4. Step 4: Simplify right side
    28,609,105.32x = 404,367,416,002,197.12
  5. Step 5: Solve for x
    x = 404,367,416,002,197.12/28,609,105.32
  6. Step 6: Final answer
    x = 14,134,220.96

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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.