Home / 20,118,709.50-30,180,902.49-6,467,280.54

Finding the Fourth Proportional to 20,118,709.50, 30,180,902.49 and 6,467,280.54

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Solution

The fourth proportional to 20,118,709.50, 30,180,902.49 and 6,467,280.54 is: 9,701,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,709.50 : 30,180,902.49 = 6,467,280.54 : x
  2. Step 2: Convert to fraction form
    20,118,709.50/30,180,902.49 = 6,467,280.54/x
  3. Step 3: Cross multiply
    20,118,709.50x = 30,180,902.49 × 6,467,280.54
  4. Step 4: Simplify right side
    20,118,709.50x = 195,188,363,353,214.53
  5. Step 5: Solve for x
    x = 195,188,363,353,214.53/20,118,709.50
  6. Step 6: Final answer
    x = 9,701,833.18

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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.