Home / 21,344,219.68-29,455,016.92-11,554,656.60

Finding the Fourth Proportional to 21,344,219.68, 29,455,016.92 and 11,554,656.60

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Solution

The fourth proportional to 21,344,219.68, 29,455,016.92 and 11,554,656.60 is: 15,945,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,219.68 : 29,455,016.92 = 11,554,656.60 : x
  2. Step 2: Convert to fraction form
    21,344,219.68/29,455,016.92 = 11,554,656.60/x
  3. Step 3: Cross multiply
    21,344,219.68x = 29,455,016.92 × 11,554,656.60
  4. Step 4: Simplify right side
    21,344,219.68x = 340,342,605,657,789.69
  5. Step 5: Solve for x
    x = 340,342,605,657,789.69/21,344,219.68
  6. Step 6: Final answer
    x = 15,945,422.73

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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.