Home / 12,219,769.80-18,324,989.10-3,697,273.80

Finding the Fourth Proportional to 12,219,769.80, 18,324,989.10 and 3,697,273.80

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Solution

The fourth proportional to 12,219,769.80, 18,324,989.10 and 3,697,273.80 is: 5,544,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,769.80 : 18,324,989.10 = 3,697,273.80 : x
  2. Step 2: Convert to fraction form
    12,219,769.80/18,324,989.10 = 3,697,273.80/x
  3. Step 3: Cross multiply
    12,219,769.80x = 18,324,989.10 × 3,697,273.80
  4. Step 4: Simplify right side
    12,219,769.80x = 67,752,502,084,715.59
  5. Step 5: Solve for x
    x = 67,752,502,084,715.59/12,219,769.80
  6. Step 6: Final answer
    x = 5,544,499.05

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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.