Home / 17,388,620.40-26,082,930.60-5,259,955.80

Finding the Fourth Proportional to 17,388,620.40, 26,082,930.60 and 5,259,955.80

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Solution

The fourth proportional to 17,388,620.40, 26,082,930.60 and 5,259,955.80 is: 7,889,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388,620.40 : 26,082,930.60 = 5,259,955.80 : x
  2. Step 2: Convert to fraction form
    17,388,620.40/26,082,930.60 = 5,259,955.80/x
  3. Step 3: Cross multiply
    17,388,620.40x = 26,082,930.60 × 5,259,955.80
  4. Step 4: Simplify right side
    17,388,620.40x = 137,195,062,090,467.48
  5. Step 5: Solve for x
    x = 137,195,062,090,467.48/17,388,620.40
  6. Step 6: Final answer
    x = 7,889,933.70

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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.