Home / 12,282,839.44-18,387,867.46-9,102,241.60

Finding the Fourth Proportional to 12,282,839.44, 18,387,867.46 and 9,102,241.60

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Solution

The fourth proportional to 12,282,839.44, 18,387,867.46 and 9,102,241.60 is: 13,626,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,839.44 : 18,387,867.46 = 9,102,241.60 : x
  2. Step 2: Convert to fraction form
    12,282,839.44/18,387,867.46 = 9,102,241.60/x
  3. Step 3: Cross multiply
    12,282,839.44x = 18,387,867.46 × 9,102,241.60
  4. Step 4: Simplify right side
    12,282,839.44x = 167,370,812,129,698.34
  5. Step 5: Solve for x
    x = 167,370,812,129,698.34/12,282,839.44
  6. Step 6: Final answer
    x = 13,626,394.20

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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.