Home / 14,063,016.78-21,199,930.36-13,125,573.58

Finding the Fourth Proportional to 14,063,016.78, 21,199,930.36 and 13,125,573.58

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Solution

The fourth proportional to 14,063,016.78, 21,199,930.36 and 13,125,573.58 is: 19,786,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063,016.78 : 21,199,930.36 = 13,125,573.58 : x
  2. Step 2: Convert to fraction form
    14,063,016.78/21,199,930.36 = 13,125,573.58/x
  3. Step 3: Cross multiply
    14,063,016.78x = 21,199,930.36 × 13,125,573.58
  4. Step 4: Simplify right side
    14,063,016.78x = 278,261,245,831,055.88
  5. Step 5: Solve for x
    x = 278,261,245,831,055.88/14,063,016.78
  6. Step 6: Final answer
    x = 19,786,739.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.