Home / 8,603,108.75-12,904,660.81-3,212,179.57

Finding the Fourth Proportional to 8,603,108.75, 12,904,660.81 and 3,212,179.57

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Solution

The fourth proportional to 8,603,108.75, 12,904,660.81 and 3,212,179.57 is: 4,818,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,108.75 : 12,904,660.81 = 3,212,179.57 : x
  2. Step 2: Convert to fraction form
    8,603,108.75/12,904,660.81 = 3,212,179.57/x
  3. Step 3: Cross multiply
    8,603,108.75x = 12,904,660.81 × 3,212,179.57
  4. Step 4: Simplify right side
    8,603,108.75x = 41,452,087,822,775.05
  5. Step 5: Solve for x
    x = 41,452,087,822,775.05/8,603,108.75
  6. Step 6: Final answer
    x = 4,818,268.49

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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.