Home / 8,214,578.19-12,319,246.89-2,821,928.31

Finding the Fourth Proportional to 8,214,578.19, 12,319,246.89 and 2,821,928.31

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Solution

The fourth proportional to 8,214,578.19, 12,319,246.89 and 2,821,928.31 is: 4,231,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,578.19 : 12,319,246.89 = 2,821,928.31 : x
  2. Step 2: Convert to fraction form
    8,214,578.19/12,319,246.89 = 2,821,928.31/x
  3. Step 3: Cross multiply
    8,214,578.19x = 12,319,246.89 × 2,821,928.31
  4. Step 4: Simplify right side
    8,214,578.19x = 34,764,031,556,770.46
  5. Step 5: Solve for x
    x = 34,764,031,556,770.46/8,214,578.19
  6. Step 6: Final answer
    x = 4,231,992.29

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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.