Home / 8,747,336.84-13,120,949.85-2,987,291.36

Finding the Fourth Proportional to 8,747,336.84, 13,120,949.85 and 2,987,291.36

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Solution

The fourth proportional to 8,747,336.84, 13,120,949.85 and 2,987,291.36 is: 4,480,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,336.84 : 13,120,949.85 = 2,987,291.36 : x
  2. Step 2: Convert to fraction form
    8,747,336.84/13,120,949.85 = 2,987,291.36/x
  3. Step 3: Cross multiply
    8,747,336.84x = 13,120,949.85 × 2,987,291.36
  4. Step 4: Simplify right side
    8,747,336.84x = 39,196,100,056,293.55
  5. Step 5: Solve for x
    x = 39,196,100,056,293.55/8,747,336.84
  6. Step 6: Final answer
    x = 4,480,918.11

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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.