Home / 13,186,405.64-19,809,924.24-9,304,794.20

Finding the Fourth Proportional to 13,186,405.64, 19,809,924.24 and 9,304,794.20

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Solution

The fourth proportional to 13,186,405.64, 19,809,924.24 and 9,304,794.20 is: 13,978,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,405.64 : 19,809,924.24 = 9,304,794.20 : x
  2. Step 2: Convert to fraction form
    13,186,405.64/19,809,924.24 = 9,304,794.20/x
  3. Step 3: Cross multiply
    13,186,405.64x = 19,809,924.24 × 9,304,794.20
  4. Step 4: Simplify right side
    13,186,405.64x = 184,327,268,170,791.38
  5. Step 5: Solve for x
    x = 184,327,268,170,791.38/13,186,405.64
  6. Step 6: Final answer
    x = 13,978,583.19

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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.