Home / 17,967,010.30-26,950,515.45-7,178,976.70

Finding the Fourth Proportional to 17,967,010.30, 26,950,515.45 and 7,178,976.70

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Solution

The fourth proportional to 17,967,010.30, 26,950,515.45 and 7,178,976.70 is: 10,768,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967,010.30 : 26,950,515.45 = 7,178,976.70 : x
  2. Step 2: Convert to fraction form
    17,967,010.30/26,950,515.45 = 7,178,976.70/x
  3. Step 3: Cross multiply
    17,967,010.30x = 26,950,515.45 × 7,178,976.70
  4. Step 4: Simplify right side
    17,967,010.30x = 193,477,122,468,540
  5. Step 5: Solve for x
    x = 193,477,122,468,540/17,967,010.30
  6. Step 6: Final answer
    x = 10,768,465.05

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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.