Home / 12,289,882.50-16,965,777.41-7,132,247.60

Finding the Fourth Proportional to 12,289,882.50, 16,965,777.41 and 7,132,247.60

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Solution

The fourth proportional to 12,289,882.50, 16,965,777.41 and 7,132,247.60 is: 9,845,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,882.50 : 16,965,777.41 = 7,132,247.60 : x
  2. Step 2: Convert to fraction form
    12,289,882.50/16,965,777.41 = 7,132,247.60/x
  3. Step 3: Cross multiply
    12,289,882.50x = 16,965,777.41 × 7,132,247.60
  4. Step 4: Simplify right side
    12,289,882.50x = 121,004,125,168,578.78
  5. Step 5: Solve for x
    x = 121,004,125,168,578.78/12,289,882.50
  6. Step 6: Final answer
    x = 9,845,832.55

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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.