Home / 26,980,660.80-40,470,991.20-18,371,316.60

Finding the Fourth Proportional to 26,980,660.80, 40,470,991.20 and 18,371,316.60

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Solution

The fourth proportional to 26,980,660.80, 40,470,991.20 and 18,371,316.60 is: 27,556,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980,660.80 : 40,470,991.20 = 18,371,316.60 : x
  2. Step 2: Convert to fraction form
    26,980,660.80/40,470,991.20 = 18,371,316.60/x
  3. Step 3: Cross multiply
    26,980,660.80x = 40,470,991.20 × 18,371,316.60
  4. Step 4: Simplify right side
    26,980,660.80x = 743,505,392,451,014
  5. Step 5: Solve for x
    x = 743,505,392,451,014/26,980,660.80
  6. Step 6: Final answer
    x = 27,556,974.90

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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.