Home / 20,325,647.31-28,049,954.90-11,504,397.39

Finding the Fourth Proportional to 20,325,647.31, 28,049,954.90 and 11,504,397.39

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Solution

The fourth proportional to 20,325,647.31, 28,049,954.90 and 11,504,397.39 is: 15,876,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325,647.31 : 28,049,954.90 = 11,504,397.39 : x
  2. Step 2: Convert to fraction form
    20,325,647.31/28,049,954.90 = 11,504,397.39/x
  3. Step 3: Cross multiply
    20,325,647.31x = 28,049,954.90 × 11,504,397.39
  4. Step 4: Simplify right side
    20,325,647.31x = 322,697,827,941,177.69
  5. Step 5: Solve for x
    x = 322,697,827,941,177.69/20,325,647.31
  6. Step 6: Final answer
    x = 15,876,386.27

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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.