Home / 13,580,082.30-18,789,861.51-11,841,377.31

Finding the Fourth Proportional to 13,580,082.30, 18,789,861.51 and 11,841,377.31

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Solution

The fourth proportional to 13,580,082.30, 18,789,861.51 and 11,841,377.31 is: 16,384,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,082.30 : 18,789,861.51 = 11,841,377.31 : x
  2. Step 2: Convert to fraction form
    13,580,082.30/18,789,861.51 = 11,841,377.31/x
  3. Step 3: Cross multiply
    13,580,082.30x = 18,789,861.51 × 11,841,377.31
  4. Step 4: Simplify right side
    13,580,082.30x = 222,497,839,742,556.38
  5. Step 5: Solve for x
    x = 222,497,839,742,556.38/13,580,082.30
  6. Step 6: Final answer
    x = 16,384,130.44

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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.