Home / 18,808,094.40-28,164,902.40-12,383,563.20

Finding the Fourth Proportional to 18,808,094.40, 28,164,902.40 and 12,383,563.20

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Solution

The fourth proportional to 18,808,094.40, 28,164,902.40 and 12,383,563.20 is: 18,544,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808,094.40 : 28,164,902.40 = 12,383,563.20 : x
  2. Step 2: Convert to fraction form
    18,808,094.40/28,164,902.40 = 12,383,563.20/x
  3. Step 3: Cross multiply
    18,808,094.40x = 28,164,902.40 × 12,383,563.20
  4. Step 4: Simplify right side
    18,808,094.40x = 348,781,848,892,231.62
  5. Step 5: Solve for x
    x = 348,781,848,892,231.62/18,808,094.40
  6. Step 6: Final answer
    x = 18,544,241.72

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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.