Home / 7,998,388.16-11,995,288.32-2,607,509.12

Finding the Fourth Proportional to 7,998,388.16, 11,995,288.32 and 2,607,509.12

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Solution

The fourth proportional to 7,998,388.16, 11,995,288.32 and 2,607,509.12 is: 3,910,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998,388.16 : 11,995,288.32 = 2,607,509.12 : x
  2. Step 2: Convert to fraction form
    7,998,388.16/11,995,288.32 = 2,607,509.12/x
  3. Step 3: Cross multiply
    7,998,388.16x = 11,995,288.32 × 2,607,509.12
  4. Step 4: Simplify right side
    7,998,388.16x = 31,277,823,691,429.48
  5. Step 5: Solve for x
    x = 31,277,823,691,429.48/7,998,388.16
  6. Step 6: Final answer
    x = 3,910,515.85

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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.