Home / 18,170,921.87-27,268,503.78-9,425,260.74

Finding the Fourth Proportional to 18,170,921.87, 27,268,503.78 and 9,425,260.74

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Solution

The fourth proportional to 18,170,921.87, 27,268,503.78 and 9,425,260.74 is: 14,144,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,921.87 : 27,268,503.78 = 9,425,260.74 : x
  2. Step 2: Convert to fraction form
    18,170,921.87/27,268,503.78 = 9,425,260.74/x
  3. Step 3: Cross multiply
    18,170,921.87x = 27,268,503.78 × 9,425,260.74
  4. Step 4: Simplify right side
    18,170,921.87x = 257,012,758,116,175.62
  5. Step 5: Solve for x
    x = 257,012,758,116,175.62/18,170,921.87
  6. Step 6: Final answer
    x = 14,144,178.27

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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.