Home / 7,969,631.72-11,954,406.30-3,112,431.08

Finding the Fourth Proportional to 7,969,631.72, 11,954,406.30 and 3,112,431.08

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Solution

The fourth proportional to 7,969,631.72, 11,954,406.30 and 3,112,431.08 is: 4,668,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969,631.72 : 11,954,406.30 = 3,112,431.08 : x
  2. Step 2: Convert to fraction form
    7,969,631.72/11,954,406.30 = 3,112,431.08/x
  3. Step 3: Cross multiply
    7,969,631.72x = 11,954,406.30 × 3,112,431.08
  4. Step 4: Simplify right side
    7,969,631.72x = 37,207,265,711,067.80
  5. Step 5: Solve for x
    x = 37,207,265,711,067.80/7,969,631.72
  6. Step 6: Final answer
    x = 4,668,630.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.