Home / 20,962,750.72-31,393,736.32-11,960,008.96

Finding the Fourth Proportional to 20,962,750.72, 31,393,736.32 and 11,960,008.96

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Solution

The fourth proportional to 20,962,750.72, 31,393,736.32 and 11,960,008.96 is: 17,911,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962,750.72 : 31,393,736.32 = 11,960,008.96 : x
  2. Step 2: Convert to fraction form
    20,962,750.72/31,393,736.32 = 11,960,008.96/x
  3. Step 3: Cross multiply
    20,962,750.72x = 31,393,736.32 × 11,960,008.96
  4. Step 4: Simplify right side
    20,962,750.72x = 375,469,367,675,077.44
  5. Step 5: Solve for x
    x = 375,469,367,675,077.44/20,962,750.72
  6. Step 6: Final answer
    x = 17,911,264.26

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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.