Home / 7,878,546.32-10,873,229.87-4,618,100.42

Finding the Fourth Proportional to 7,878,546.32, 10,873,229.87 and 4,618,100.42

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Solution

The fourth proportional to 7,878,546.32, 10,873,229.87 and 4,618,100.42 is: 6,373,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,546.32 : 10,873,229.87 = 4,618,100.42 : x
  2. Step 2: Convert to fraction form
    7,878,546.32/10,873,229.87 = 4,618,100.42/x
  3. Step 3: Cross multiply
    7,878,546.32x = 10,873,229.87 × 4,618,100.42
  4. Step 4: Simplify right side
    7,878,546.32x = 50,213,667,429,403.54
  5. Step 5: Solve for x
    x = 50,213,667,429,403.54/7,878,546.32
  6. Step 6: Final answer
    x = 6,373,468.58

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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.