Home / 18,377,998.70-25,342,840.04-12,180,893.64

Finding the Fourth Proportional to 18,377,998.70, 25,342,840.04 and 12,180,893.64

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Solution

The fourth proportional to 18,377,998.70, 25,342,840.04 and 12,180,893.64 is: 16,797,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377,998.70 : 25,342,840.04 = 12,180,893.64 : x
  2. Step 2: Convert to fraction form
    18,377,998.70/25,342,840.04 = 12,180,893.64/x
  3. Step 3: Cross multiply
    18,377,998.70x = 25,342,840.04 × 12,180,893.64
  4. Step 4: Simplify right side
    18,377,998.70x = 308,698,439,062,773.38
  5. Step 5: Solve for x
    x = 308,698,439,062,773.38/18,377,998.70
  6. Step 6: Final answer
    x = 16,797,173.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.