Home / 7,149,982.72-10,718,927.28-3,103,429.12

Finding the Fourth Proportional to 7,149,982.72, 10,718,927.28 and 3,103,429.12

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Solution

The fourth proportional to 7,149,982.72, 10,718,927.28 and 3,103,429.12 is: 4,652,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,982.72 : 10,718,927.28 = 3,103,429.12 : x
  2. Step 2: Convert to fraction form
    7,149,982.72/10,718,927.28 = 3,103,429.12/x
  3. Step 3: Cross multiply
    7,149,982.72x = 10,718,927.28 × 3,103,429.12
  4. Step 4: Simplify right side
    7,149,982.72x = 33,265,431,055,914.39
  5. Step 5: Solve for x
    x = 33,265,431,055,914.39/7,149,982.72
  6. Step 6: Final answer
    x = 4,652,519.08

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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.