Home / 8,612,532.77-12,918,369.71-3,220,786.80

Finding the Fourth Proportional to 8,612,532.77, 12,918,369.71 and 3,220,786.80

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Solution

The fourth proportional to 8,612,532.77, 12,918,369.71 and 3,220,786.80 is: 4,831,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,532.77 : 12,918,369.71 = 3,220,786.80 : x
  2. Step 2: Convert to fraction form
    8,612,532.77/12,918,369.71 = 3,220,786.80/x
  3. Step 3: Cross multiply
    8,612,532.77x = 12,918,369.71 × 3,220,786.80
  4. Step 4: Simplify right side
    8,612,532.77x = 41,607,314,647,539.80
  5. Step 5: Solve for x
    x = 41,607,314,647,539.80/8,612,532.77
  6. Step 6: Final answer
    x = 4,831,019.61

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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.