Home / 20,284,584.56-30,430,419.78-8,924,737.94

Finding the Fourth Proportional to 20,284,584.56, 30,430,419.78 and 8,924,737.94

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Solution

The fourth proportional to 20,284,584.56, 30,430,419.78 and 8,924,737.94 is: 13,388,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284,584.56 : 30,430,419.78 = 8,924,737.94 : x
  2. Step 2: Convert to fraction form
    20,284,584.56/30,430,419.78 = 8,924,737.94/x
  3. Step 3: Cross multiply
    20,284,584.56x = 30,430,419.78 × 8,924,737.94
  4. Step 4: Simplify right side
    20,284,584.56x = 271,583,521,940,692.44
  5. Step 5: Solve for x
    x = 271,583,521,940,692.44/20,284,584.56
  6. Step 6: Final answer
    x = 13,388,665.72

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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.