Home / 12,440,636.10-18,659,627.55-4,353,766.20

Finding the Fourth Proportional to 12,440,636.10, 18,659,627.55 and 4,353,766.20

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Solution

The fourth proportional to 12,440,636.10, 18,659,627.55 and 4,353,766.20 is: 6,530,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,636.10 : 18,659,627.55 = 4,353,766.20 : x
  2. Step 2: Convert to fraction form
    12,440,636.10/18,659,627.55 = 4,353,766.20/x
  3. Step 3: Cross multiply
    12,440,636.10x = 18,659,627.55 × 4,353,766.20
  4. Step 4: Simplify right side
    12,440,636.10x = 81,239,655,731,778.81
  5. Step 5: Solve for x
    x = 81,239,655,731,778.81/12,440,636.10
  6. Step 6: Final answer
    x = 6,530,185.04

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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.