Home / 8,206,083.66-12,298,121.84-6,386,645.46

Finding the Fourth Proportional to 8,206,083.66, 12,298,121.84 and 6,386,645.46

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Solution

The fourth proportional to 8,206,083.66, 12,298,121.84 and 6,386,645.46 is: 9,571,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,083.66 : 12,298,121.84 = 6,386,645.46 : x
  2. Step 2: Convert to fraction form
    8,206,083.66/12,298,121.84 = 6,386,645.46/x
  3. Step 3: Cross multiply
    8,206,083.66x = 12,298,121.84 × 6,386,645.46
  4. Step 4: Simplify right side
    8,206,083.66x = 78,543,744,015,962.84
  5. Step 5: Solve for x
    x = 78,543,744,015,962.84/8,206,083.66
  6. Step 6: Final answer
    x = 9,571,404.25

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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.