Home / 15,627,759.06-21,547,251.54-11,485,177.68

Finding the Fourth Proportional to 15,627,759.06, 21,547,251.54 and 11,485,177.68

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Solution

The fourth proportional to 15,627,759.06, 21,547,251.54 and 11,485,177.68 is: 15,835,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627,759.06 : 21,547,251.54 = 11,485,177.68 : x
  2. Step 2: Convert to fraction form
    15,627,759.06/21,547,251.54 = 11,485,177.68/x
  3. Step 3: Cross multiply
    15,627,759.06x = 21,547,251.54 × 11,485,177.68
  4. Step 4: Simplify right side
    15,627,759.06x = 247,474,012,452,553.62
  5. Step 5: Solve for x
    x = 247,474,012,452,553.62/15,627,759.06
  6. Step 6: Final answer
    x = 15,835,540.56

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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.