Home / 13,580,077.30-18,789,854.61-11,841,372.30

Finding the Fourth Proportional to 13,580,077.30, 18,789,854.61 and 11,841,372.30

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Solution

The fourth proportional to 13,580,077.30, 18,789,854.61 and 11,841,372.30 is: 16,384,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,077.30 : 18,789,854.61 = 11,841,372.30 : x
  2. Step 2: Convert to fraction form
    13,580,077.30/18,789,854.61 = 11,841,372.30/x
  3. Step 3: Cross multiply
    13,580,077.30x = 18,789,854.61 × 11,841,372.30
  4. Step 4: Simplify right side
    13,580,077.30x = 222,497,663,899,881.31
  5. Step 5: Solve for x
    x = 222,497,663,899,881.31/13,580,077.30
  6. Step 6: Final answer
    x = 16,384,123.52

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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.