Home / 11,508,771.20-15,880,973.52-6,351,800.60

Finding the Fourth Proportional to 11,508,771.20, 15,880,973.52 and 6,351,800.60

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Solution

The fourth proportional to 11,508,771.20, 15,880,973.52 and 6,351,800.60 is: 8,764,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508,771.20 : 15,880,973.52 = 6,351,800.60 : x
  2. Step 2: Convert to fraction form
    11,508,771.20/15,880,973.52 = 6,351,800.60/x
  3. Step 3: Cross multiply
    11,508,771.20x = 15,880,973.52 × 6,351,800.60
  4. Step 4: Simplify right side
    11,508,771.20x = 100,872,777,132,920.11
  5. Step 5: Solve for x
    x = 100,872,777,132,920.11/11,508,771.20
  6. Step 6: Final answer
    x = 8,764,860.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.