Home / 7,196,119.89-9,930,621.63-3,932,933.74

Finding the Fourth Proportional to 7,196,119.89, 9,930,621.63 and 3,932,933.74

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Solution

The fourth proportional to 7,196,119.89, 9,930,621.63 and 3,932,933.74 is: 5,427,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,119.89 : 9,930,621.63 = 3,932,933.74 : x
  2. Step 2: Convert to fraction form
    7,196,119.89/9,930,621.63 = 3,932,933.74/x
  3. Step 3: Cross multiply
    7,196,119.89x = 9,930,621.63 × 3,932,933.74
  4. Step 4: Simplify right side
    7,196,119.89x = 39,056,476,857,722.73
  5. Step 5: Solve for x
    x = 39,056,476,857,722.73/7,196,119.89
  6. Step 6: Final answer
    x = 5,427,435.55

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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.