Home / 8,260,982.85-12,386,662.79-3,206,388.45

Finding the Fourth Proportional to 8,260,982.85, 12,386,662.79 and 3,206,388.45

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Solution

The fourth proportional to 8,260,982.85, 12,386,662.79 and 3,206,388.45 is: 4,807,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,982.85 : 12,386,662.79 = 3,206,388.45 : x
  2. Step 2: Convert to fraction form
    8,260,982.85/12,386,662.79 = 3,206,388.45/x
  3. Step 3: Cross multiply
    8,260,982.85x = 12,386,662.79 × 3,206,388.45
  4. Step 4: Simplify right side
    8,260,982.85x = 39,716,452,487,868.84
  5. Step 5: Solve for x
    x = 39,716,452,487,868.84/8,260,982.85
  6. Step 6: Final answer
    x = 4,807,715.16

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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.