Home / 13,511,823.51-18,647,650.04-7,711,473.04

Finding the Fourth Proportional to 13,511,823.51, 18,647,650.04 and 7,711,473.04

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Solution

The fourth proportional to 13,511,823.51, 18,647,650.04 and 7,711,473.04 is: 10,642,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,823.51 : 18,647,650.04 = 7,711,473.04 : x
  2. Step 2: Convert to fraction form
    13,511,823.51/18,647,650.04 = 7,711,473.04/x
  3. Step 3: Cross multiply
    13,511,823.51x = 18,647,650.04 × 7,711,473.04
  4. Step 4: Simplify right side
    13,511,823.51x = 143,800,850,556,485.16
  5. Step 5: Solve for x
    x = 143,800,850,556,485.16/13,511,823.51
  6. Step 6: Final answer
    x = 10,642,593.91

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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.