Home / 20,325,646.31-28,049,953.52-11,504,396.39

Finding the Fourth Proportional to 20,325,646.31, 28,049,953.52 and 11,504,396.39

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Solution

The fourth proportional to 20,325,646.31, 28,049,953.52 and 11,504,396.39 is: 15,876,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325,646.31 : 28,049,953.52 = 11,504,396.39 : x
  2. Step 2: Convert to fraction form
    20,325,646.31/28,049,953.52 = 11,504,396.39/x
  3. Step 3: Cross multiply
    20,325,646.31x = 28,049,953.52 × 11,504,396.39
  4. Step 4: Simplify right side
    20,325,646.31x = 322,697,783,903,667
  5. Step 5: Solve for x
    x = 322,697,783,903,667/20,325,646.31
  6. Step 6: Final answer
    x = 15,876,384.89

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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.