Home / 17,326,980-23,857,824.24-15,389,874.72

Finding the Fourth Proportional to 17,326,980, 23,857,824.24 and 15,389,874.72

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Solution

The fourth proportional to 17,326,980, 23,857,824.24 and 15,389,874.72 is: 21,190,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,326,980 : 23,857,824.24 = 15,389,874.72 : x
  2. Step 2: Convert to fraction form
    17,326,980/23,857,824.24 = 15,389,874.72/x
  3. Step 3: Cross multiply
    17,326,980x = 23,857,824.24 × 15,389,874.72
  4. Step 4: Simplify right side
    17,326,980x = 367,168,926,145,379.19
  5. Step 5: Solve for x
    x = 367,168,926,145,379.19/17,326,980
  6. Step 6: Final answer
    x = 21,190,589.83

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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.