Home / 13,525,435.24-18,654,217.24-11,890,346.56

Finding the Fourth Proportional to 13,525,435.24, 18,654,217.24 and 11,890,346.56

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Solution

The fourth proportional to 13,525,435.24, 18,654,217.24 and 11,890,346.56 is: 16,399,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,435.24 : 18,654,217.24 = 11,890,346.56 : x
  2. Step 2: Convert to fraction form
    13,525,435.24/18,654,217.24 = 11,890,346.56/x
  3. Step 3: Cross multiply
    13,525,435.24x = 18,654,217.24 × 11,890,346.56
  4. Step 4: Simplify right side
    13,525,435.24x = 221,805,107,789,126.69
  5. Step 5: Solve for x
    x = 221,805,107,789,126.69/13,525,435.24
  6. Step 6: Final answer
    x = 16,399,110.55

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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.