Home / 19,424,481-26,805,789.12-10,722,659.64

Finding the Fourth Proportional to 19,424,481, 26,805,789.12 and 10,722,659.64

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Solution

The fourth proportional to 19,424,481, 26,805,789.12 and 10,722,659.64 is: 14,797,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424,481 : 26,805,789.12 = 10,722,659.64 : x
  2. Step 2: Convert to fraction form
    19,424,481/26,805,789.12 = 10,722,659.64/x
  3. Step 3: Cross multiply
    19,424,481x = 26,805,789.12 × 10,722,659.64
  4. Step 4: Simplify right side
    19,424,481x = 287,429,353,115,375.12
  5. Step 5: Solve for x
    x = 287,429,353,115,375.12/19,424,481
  6. Step 6: Final answer
    x = 14,797,273.25

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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.