Home / 18,591,778.30-27,860,439.30-16,672,685.80

Finding the Fourth Proportional to 18,591,778.30, 27,860,439.30 and 16,672,685.80

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Solution

The fourth proportional to 18,591,778.30, 27,860,439.30 and 16,672,685.80 is: 24,984,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,778.30 : 27,860,439.30 = 16,672,685.80 : x
  2. Step 2: Convert to fraction form
    18,591,778.30/27,860,439.30 = 16,672,685.80/x
  3. Step 3: Cross multiply
    18,591,778.30x = 27,860,439.30 × 16,672,685.80
  4. Step 4: Simplify right side
    18,591,778.30x = 464,508,350,698,872
  5. Step 5: Solve for x
    x = 464,508,350,698,872/18,591,778.30
  6. Step 6: Final answer
    x = 24,984,611.11

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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.