Home / 7,298,163.72-10,949,025.96-5,143,388.76

Finding the Fourth Proportional to 7,298,163.72, 10,949,025.96 and 5,143,388.76

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Solution

The fourth proportional to 7,298,163.72, 10,949,025.96 and 5,143,388.76 is: 7,716,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298,163.72 : 10,949,025.96 = 5,143,388.76 : x
  2. Step 2: Convert to fraction form
    7,298,163.72/10,949,025.96 = 5,143,388.76/x
  3. Step 3: Cross multiply
    7,298,163.72x = 10,949,025.96 × 5,143,388.76
  4. Step 4: Simplify right side
    7,298,163.72x = 56,315,097,055,612.21
  5. Step 5: Solve for x
    x = 56,315,097,055,612.21/7,298,163.72
  6. Step 6: Final answer
    x = 7,716,337.86

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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.