Home / 18,719,107.20-28,082,743.20-10,635,955.20

Finding the Fourth Proportional to 18,719,107.20, 28,082,743.20 and 10,635,955.20

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Solution

The fourth proportional to 18,719,107.20, 28,082,743.20 and 10,635,955.20 is: 15,956,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,107.20 : 28,082,743.20 = 10,635,955.20 : x
  2. Step 2: Convert to fraction form
    18,719,107.20/28,082,743.20 = 10,635,955.20/x
  3. Step 3: Cross multiply
    18,719,107.20x = 28,082,743.20 × 10,635,955.20
  4. Step 4: Simplify right side
    18,719,107.20x = 298,686,798,568,304.62
  5. Step 5: Solve for x
    x = 298,686,798,568,304.62/18,719,107.20
  6. Step 6: Final answer
    x = 15,956,252.37

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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.