Home / 12,440,638.10-18,659,630.55-4,353,768.20

Finding the Fourth Proportional to 12,440,638.10, 18,659,630.55 and 4,353,768.20

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Solution

The fourth proportional to 12,440,638.10, 18,659,630.55 and 4,353,768.20 is: 6,530,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,638.10 : 18,659,630.55 = 4,353,768.20 : x
  2. Step 2: Convert to fraction form
    12,440,638.10/18,659,630.55 = 4,353,768.20/x
  3. Step 3: Cross multiply
    12,440,638.10x = 18,659,630.55 × 4,353,768.20
  4. Step 4: Simplify right side
    12,440,638.10x = 81,239,706,112,338.52
  5. Step 5: Solve for x
    x = 81,239,706,112,338.52/12,440,638.10
  6. Step 6: Final answer
    x = 6,530,188.04

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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.