Home / 7,965,143.05-10,987,918-5,028,599.37

Finding the Fourth Proportional to 7,965,143.05, 10,987,918 and 5,028,599.37

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Solution

The fourth proportional to 7,965,143.05, 10,987,918 and 5,028,599.37 is: 6,936,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,143.05 : 10,987,918 = 5,028,599.37 : x
  2. Step 2: Convert to fraction form
    7,965,143.05/10,987,918 = 5,028,599.37/x
  3. Step 3: Cross multiply
    7,965,143.05x = 10,987,918 × 5,028,599.37
  4. Step 4: Simplify right side
    7,965,143.05x = 55,253,837,532,411.66
  5. Step 5: Solve for x
    x = 55,253,837,532,411.66/7,965,143.05
  6. Step 6: Final answer
    x = 6,936,954.83

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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.