Home / 7,146,015.21-10,712,996.62-3,099,454.88

Finding the Fourth Proportional to 7,146,015.21, 10,712,996.62 and 3,099,454.88

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Solution

The fourth proportional to 7,146,015.21, 10,712,996.62 and 3,099,454.88 is: 4,646,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,015.21 : 10,712,996.62 = 3,099,454.88 : x
  2. Step 2: Convert to fraction form
    7,146,015.21/10,712,996.62 = 3,099,454.88/x
  3. Step 3: Cross multiply
    7,146,015.21x = 10,712,996.62 × 3,099,454.88
  4. Step 4: Simplify right side
    7,146,015.21x = 33,204,449,591,968.88
  5. Step 5: Solve for x
    x = 33,204,449,591,968.88/7,146,015.21
  6. Step 6: Final answer
    x = 4,646,568.56

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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.