Home / 12,138,333.27-18,207,080.05-3,040,509.25

Finding the Fourth Proportional to 12,138,333.27, 18,207,080.05 and 3,040,509.25

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Solution

The fourth proportional to 12,138,333.27, 18,207,080.05 and 3,040,509.25 is: 4,560,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,333.27 : 18,207,080.05 = 3,040,509.25 : x
  2. Step 2: Convert to fraction form
    12,138,333.27/18,207,080.05 = 3,040,509.25/x
  3. Step 3: Cross multiply
    12,138,333.27x = 18,207,080.05 × 3,040,509.25
  4. Step 4: Simplify right side
    12,138,333.27x = 55,358,795,307,515.46
  5. Step 5: Solve for x
    x = 55,358,795,307,515.46/12,138,333.27
  6. Step 6: Final answer
    x = 4,560,658.71

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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.