Home / 7,180,113.24-10,772,163.27-3,987,481.64

Finding the Fourth Proportional to 7,180,113.24, 10,772,163.27 and 3,987,481.64

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Solution

The fourth proportional to 7,180,113.24, 10,772,163.27 and 3,987,481.64 is: 5,982,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,113.24 : 10,772,163.27 = 3,987,481.64 : x
  2. Step 2: Convert to fraction form
    7,180,113.24/10,772,163.27 = 3,987,481.64/x
  3. Step 3: Cross multiply
    7,180,113.24x = 10,772,163.27 × 3,987,481.64
  4. Step 4: Simplify right side
    7,180,113.24x = 42,953,803,208,346.54
  5. Step 5: Solve for x
    x = 42,953,803,208,346.54/7,180,113.24
  6. Step 6: Final answer
    x = 5,982,329.49

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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.