Home / 8,215,751.50-12,324,748.20-3,422,319.76

Finding the Fourth Proportional to 8,215,751.50, 12,324,748.20 and 3,422,319.76

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Solution

The fourth proportional to 8,215,751.50, 12,324,748.20 and 3,422,319.76 is: 5,133,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,751.50 : 12,324,748.20 = 3,422,319.76 : x
  2. Step 2: Convert to fraction form
    8,215,751.50/12,324,748.20 = 3,422,319.76/x
  3. Step 3: Cross multiply
    8,215,751.50x = 12,324,748.20 × 3,422,319.76
  4. Step 4: Simplify right side
    8,215,751.50x = 42,179,229,323,707.21
  5. Step 5: Solve for x
    x = 42,179,229,323,707.21/8,215,751.50
  6. Step 6: Final answer
    x = 5,133,946.58

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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.