Home / 17,388,840.20-26,072,892.30-10,662,081.80

Finding the Fourth Proportional to 17,388,840.20, 26,072,892.30 and 10,662,081.80

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Solution

The fourth proportional to 17,388,840.20, 26,072,892.30 and 10,662,081.80 is: 15,986,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388,840.20 : 26,072,892.30 = 10,662,081.80 : x
  2. Step 2: Convert to fraction form
    17,388,840.20/26,072,892.30 = 10,662,081.80/x
  3. Step 3: Cross multiply
    17,388,840.20x = 26,072,892.30 × 10,662,081.80
  4. Step 4: Simplify right side
    17,388,840.20x = 277,991,310,465,190.16
  5. Step 5: Solve for x
    x = 277,991,310,465,190.16/17,388,840.20
  6. Step 6: Final answer
    x = 15,986,765.49

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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.