Home / 28,135,287.20-42,192,433.20-11,092,433.60

Finding the Fourth Proportional to 28,135,287.20, 42,192,433.20 and 11,092,433.60

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Solution

The fourth proportional to 28,135,287.20, 42,192,433.20 and 11,092,433.60 is: 16,634,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,287.20 : 42,192,433.20 = 11,092,433.60 : x
  2. Step 2: Convert to fraction form
    28,135,287.20/42,192,433.20 = 11,092,433.60/x
  3. Step 3: Cross multiply
    28,135,287.20x = 42,192,433.20 × 11,092,433.60
  4. Step 4: Simplify right side
    28,135,287.20x = 468,016,763,693,435.56
  5. Step 5: Solve for x
    x = 468,016,763,693,435.56/28,135,287.20
  6. Step 6: Final answer
    x = 16,634,511.69

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1.5x scale

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.