Home / 13,269,135.44-18,304,383.80-9,131,984.01

Finding the Fourth Proportional to 13,269,135.44, 18,304,383.80 and 9,131,984.01

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Solution

The fourth proportional to 13,269,135.44, 18,304,383.80 and 9,131,984.01 is: 12,597,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,135.44 : 18,304,383.80 = 9,131,984.01 : x
  2. Step 2: Convert to fraction form
    13,269,135.44/18,304,383.80 = 9,131,984.01/x
  3. Step 3: Cross multiply
    13,269,135.44x = 18,304,383.80 × 9,131,984.01
  4. Step 4: Simplify right side
    13,269,135.44x = 167,155,340,197,332.97
  5. Step 5: Solve for x
    x = 167,155,340,197,332.97/13,269,135.44
  6. Step 6: Final answer
    x = 12,597,304.54

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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.