Home / 20,079,530.44-27,709,927.14-10,912,172.20

Finding the Fourth Proportional to 20,079,530.44, 27,709,927.14 and 10,912,172.20

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Solution

The fourth proportional to 20,079,530.44, 27,709,927.14 and 10,912,172.20 is: 15,058,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079,530.44 : 27,709,927.14 = 10,912,172.20 : x
  2. Step 2: Convert to fraction form
    20,079,530.44/27,709,927.14 = 10,912,172.20/x
  3. Step 3: Cross multiply
    20,079,530.44x = 27,709,927.14 × 10,912,172.20
  4. Step 4: Simplify right side
    20,079,530.44x = 302,375,496,601,133.50
  5. Step 5: Solve for x
    x = 302,375,496,601,133.50/20,079,530.44
  6. Step 6: Final answer
    x = 15,058,892.81

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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.