Home / 8,388,042.80-11,567,817.72-6,217,991.60

Finding the Fourth Proportional to 8,388,042.80, 11,567,817.72 and 6,217,991.60

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Solution

The fourth proportional to 8,388,042.80, 11,567,817.72 and 6,217,991.60 is: 8,575,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388,042.80 : 11,567,817.72 = 6,217,991.60 : x
  2. Step 2: Convert to fraction form
    8,388,042.80/11,567,817.72 = 6,217,991.60/x
  3. Step 3: Cross multiply
    8,388,042.80x = 11,567,817.72 × 6,217,991.60
  4. Step 4: Simplify right side
    8,388,042.80x = 71,928,593,413,291.16
  5. Step 5: Solve for x
    x = 71,928,593,413,291.16/8,388,042.80
  6. Step 6: Final answer
    x = 8,575,134.29

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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.