Home / 11,477,556.46-15,838,836.50-6,321,397.78

Finding the Fourth Proportional to 11,477,556.46, 15,838,836.50 and 6,321,397.78

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Solution

The fourth proportional to 11,477,556.46, 15,838,836.50 and 6,321,397.78 is: 8,723,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477,556.46 : 15,838,836.50 = 6,321,397.78 : x
  2. Step 2: Convert to fraction form
    11,477,556.46/15,838,836.50 = 6,321,397.78/x
  3. Step 3: Cross multiply
    11,477,556.46x = 15,838,836.50 × 6,321,397.78
  4. Step 4: Simplify right side
    11,477,556.46x = 100,123,585,888,882.97
  5. Step 5: Solve for x
    x = 100,123,585,888,882.97/11,477,556.46
  6. Step 6: Final answer
    x = 8,723,423.51

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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.