Home / 20,079,529.44-27,709,925.76-10,912,171.20

Finding the Fourth Proportional to 20,079,529.44, 27,709,925.76 and 10,912,171.20

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Solution

The fourth proportional to 20,079,529.44, 27,709,925.76 and 10,912,171.20 is: 15,058,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079,529.44 : 27,709,925.76 = 10,912,171.20 : x
  2. Step 2: Convert to fraction form
    20,079,529.44/27,709,925.76 = 10,912,171.20/x
  3. Step 3: Cross multiply
    20,079,529.44x = 27,709,925.76 × 10,912,171.20
  4. Step 4: Simplify right side
    20,079,529.44x = 302,375,453,832,410.12
  5. Step 5: Solve for x
    x = 302,375,453,832,410.12/20,079,529.44
  6. Step 6: Final answer
    x = 15,058,891.43

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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.