Home / 21,344,219.40-29,455,016.56-11,554,656.33

Finding the Fourth Proportional to 21,344,219.40, 29,455,016.56 and 11,554,656.33

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Solution

The fourth proportional to 21,344,219.40, 29,455,016.56 and 11,554,656.33 is: 15,945,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,219.40 : 29,455,016.56 = 11,554,656.33 : x
  2. Step 2: Convert to fraction form
    21,344,219.40/29,455,016.56 = 11,554,656.33/x
  3. Step 3: Cross multiply
    21,344,219.40x = 29,455,016.56 × 11,554,656.33
  4. Step 4: Simplify right side
    21,344,219.40x = 340,342,593,545,258.81
  5. Step 5: Solve for x
    x = 340,342,593,545,258.81/21,344,219.40
  6. Step 6: Final answer
    x = 15,945,422.37

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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.