Home / 15,081,185.97-20,814,171.35-8,556,431.85

Finding the Fourth Proportional to 15,081,185.97, 20,814,171.35 and 8,556,431.85

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Solution

The fourth proportional to 15,081,185.97, 20,814,171.35 and 8,556,431.85 is: 11,809,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081,185.97 : 20,814,171.35 = 8,556,431.85 : x
  2. Step 2: Convert to fraction form
    15,081,185.97/20,814,171.35 = 8,556,431.85/x
  3. Step 3: Cross multiply
    15,081,185.97x = 20,814,171.35 × 8,556,431.85
  4. Step 4: Simplify right side
    15,081,185.97x = 178,095,038,627,715.31
  5. Step 5: Solve for x
    x = 178,095,038,627,715.31/15,081,185.97
  6. Step 6: Final answer
    x = 11,809,087.10

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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.