Home / 20,186,611.10-30,286,915.05-8,835,206.30

Finding the Fourth Proportional to 20,186,611.10, 30,286,915.05 and 8,835,206.30

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Solution

The fourth proportional to 20,186,611.10, 30,286,915.05 and 8,835,206.30 is: 13,255,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,611.10 : 30,286,915.05 = 8,835,206.30 : x
  2. Step 2: Convert to fraction form
    20,186,611.10/30,286,915.05 = 8,835,206.30/x
  3. Step 3: Cross multiply
    20,186,611.10x = 30,286,915.05 × 8,835,206.30
  4. Step 4: Simplify right side
    20,186,611.10x = 267,591,142,657,324.84
  5. Step 5: Solve for x
    x = 267,591,142,657,324.84/20,186,611.10
  6. Step 6: Final answer
    x = 13,255,872.49

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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.