Home / 21,725,116.80-32,591,611.80-10,915,213.20

Finding the Fourth Proportional to 21,725,116.80, 32,591,611.80 and 10,915,213.20

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Solution

The fourth proportional to 21,725,116.80, 32,591,611.80 and 10,915,213.20 is: 16,374,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725,116.80 : 32,591,611.80 = 10,915,213.20 : x
  2. Step 2: Convert to fraction form
    21,725,116.80/32,591,611.80 = 10,915,213.20/x
  3. Step 3: Cross multiply
    21,725,116.80x = 32,591,611.80 × 10,915,213.20
  4. Step 4: Simplify right side
    21,725,116.80x = 355,744,391,328,635.75
  5. Step 5: Solve for x
    x = 355,744,391,328,635.75/21,725,116.80
  6. Step 6: Final answer
    x = 16,374,797.64

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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.