Home / 13,530,227.98-20,298,728.86-3,945,607.60

Finding the Fourth Proportional to 13,530,227.98, 20,298,728.86 and 3,945,607.60

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Solution

The fourth proportional to 13,530,227.98, 20,298,728.86 and 3,945,607.60 is: 5,919,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530,227.98 : 20,298,728.86 = 3,945,607.60 : x
  2. Step 2: Convert to fraction form
    13,530,227.98/20,298,728.86 = 3,945,607.60/x
  3. Step 3: Cross multiply
    13,530,227.98x = 20,298,728.86 × 3,945,607.60
  4. Step 4: Simplify right side
    13,530,227.98x = 80,090,818,860,355.33
  5. Step 5: Solve for x
    x = 80,090,818,860,355.33/13,530,227.98
  6. Step 6: Final answer
    x = 5,919,399.07

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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.