Home / 8,214,567.69-12,319,231.14-2,821,917.81

Finding the Fourth Proportional to 8,214,567.69, 12,319,231.14 and 2,821,917.81

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Solution

The fourth proportional to 8,214,567.69, 12,319,231.14 and 2,821,917.81 is: 4,231,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,567.69 : 12,319,231.14 = 2,821,917.81 : x
  2. Step 2: Convert to fraction form
    8,214,567.69/12,319,231.14 = 2,821,917.81/x
  3. Step 3: Cross multiply
    8,214,567.69x = 12,319,231.14 × 2,821,917.81
  4. Step 4: Simplify right side
    8,214,567.69x = 34,763,857,759,472.61
  5. Step 5: Solve for x
    x = 34,763,857,759,472.61/8,214,567.69
  6. Step 6: Final answer
    x = 4,231,976.54

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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.