Home / 7,188,819.60-10,783,229.40-3,409,683.60

Finding the Fourth Proportional to 7,188,819.60, 10,783,229.40 and 3,409,683.60

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Solution

The fourth proportional to 7,188,819.60, 10,783,229.40 and 3,409,683.60 is: 5,114,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,819.60 : 10,783,229.40 = 3,409,683.60 : x
  2. Step 2: Convert to fraction form
    7,188,819.60/10,783,229.40 = 3,409,683.60/x
  3. Step 3: Cross multiply
    7,188,819.60x = 10,783,229.40 × 3,409,683.60
  4. Step 4: Simplify right side
    7,188,819.60x = 36,767,400,440,217.84
  5. Step 5: Solve for x
    x = 36,767,400,440,217.84/7,188,819.60
  6. Step 6: Final answer
    x = 5,114,525.40

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Similar ratio
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1.5x scale

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.