Home / 40,097,758.96-55,334,960.76-21,763,046.80

Finding the Fourth Proportional to 40,097,758.96, 55,334,960.76 and 21,763,046.80

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Solution

The fourth proportional to 40,097,758.96, 55,334,960.76 and 21,763,046.80 is: 30,033,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097,758.96 : 55,334,960.76 = 21,763,046.80 : x
  2. Step 2: Convert to fraction form
    40,097,758.96/55,334,960.76 = 21,763,046.80/x
  3. Step 3: Cross multiply
    40,097,758.96x = 55,334,960.76 × 21,763,046.80
  4. Step 4: Simplify right side
    40,097,758.96x = 1,204,257,340,696,043.50
  5. Step 5: Solve for x
    x = 1,204,257,340,696,043.50/40,097,758.96
  6. Step 6: Final answer
    x = 30,033,033.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.