Home / 8,219,741.90-12,328,169.42-2,540,015.42

Finding the Fourth Proportional to 8,219,741.90, 12,328,169.42 and 2,540,015.42

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Solution

The fourth proportional to 8,219,741.90, 12,328,169.42 and 2,540,015.42 is: 3,809,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,741.90 : 12,328,169.42 = 2,540,015.42 : x
  2. Step 2: Convert to fraction form
    8,219,741.90/12,328,169.42 = 2,540,015.42/x
  3. Step 3: Cross multiply
    8,219,741.90x = 12,328,169.42 × 2,540,015.42
  4. Step 4: Simplify right side
    8,219,741.90x = 31,313,740,371,881.65
  5. Step 5: Solve for x
    x = 31,313,740,371,881.65/8,219,741.90
  6. Step 6: Final answer
    x = 3,809,577.09

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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.