Home / 13,587,583.58-20,394,144.84-7,115,304.48

Finding the Fourth Proportional to 13,587,583.58, 20,394,144.84 and 7,115,304.48

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Solution

The fourth proportional to 13,587,583.58, 20,394,144.84 and 7,115,304.48 is: 10,679,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,583.58 : 20,394,144.84 = 7,115,304.48 : x
  2. Step 2: Convert to fraction form
    13,587,583.58/20,394,144.84 = 7,115,304.48/x
  3. Step 3: Cross multiply
    13,587,583.58x = 20,394,144.84 × 7,115,304.48
  4. Step 4: Simplify right side
    13,587,583.58x = 145,110,550,042,660.44
  5. Step 5: Solve for x
    x = 145,110,550,042,660.44/13,587,583.58
  6. Step 6: Final answer
    x = 10,679,643.60

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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.