Home / 13,475,101.35-20,212,652.03-3,890,792.55

Finding the Fourth Proportional to 13,475,101.35, 20,212,652.03 and 3,890,792.55

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Solution

The fourth proportional to 13,475,101.35, 20,212,652.03 and 3,890,792.55 is: 5,836,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,101.35 : 20,212,652.03 = 3,890,792.55 : x
  2. Step 2: Convert to fraction form
    13,475,101.35/20,212,652.03 = 3,890,792.55/x
  3. Step 3: Cross multiply
    13,475,101.35x = 20,212,652.03 × 3,890,792.55
  4. Step 4: Simplify right side
    13,475,101.35x = 78,643,235,914,612.41
  5. Step 5: Solve for x
    x = 78,643,235,914,612.41/13,475,101.35
  6. Step 6: Final answer
    x = 5,836,188.83

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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.