Home / 10,728,909.20-16,093,363.80-4,662,608.60

Finding the Fourth Proportional to 10,728,909.20, 16,093,363.80 and 4,662,608.60

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Solution

The fourth proportional to 10,728,909.20, 16,093,363.80 and 4,662,608.60 is: 6,993,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,909.20 : 16,093,363.80 = 4,662,608.60 : x
  2. Step 2: Convert to fraction form
    10,728,909.20/16,093,363.80 = 4,662,608.60/x
  3. Step 3: Cross multiply
    10,728,909.20x = 16,093,363.80 × 4,662,608.60
  4. Step 4: Simplify right side
    10,728,909.20x = 75,037,056,456,808.67
  5. Step 5: Solve for x
    x = 75,037,056,456,808.67/10,728,909.20
  6. Step 6: Final answer
    x = 6,993,912.90

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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.