Home / 19,722,131.53-27,219,245.20-11,349,329.22

Finding the Fourth Proportional to 19,722,131.53, 27,219,245.20 and 11,349,329.22

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Solution

The fourth proportional to 19,722,131.53, 27,219,245.20 and 11,349,329.22 is: 15,663,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,131.53 : 27,219,245.20 = 11,349,329.22 : x
  2. Step 2: Convert to fraction form
    19,722,131.53/27,219,245.20 = 11,349,329.22/x
  3. Step 3: Cross multiply
    19,722,131.53x = 27,219,245.20 × 11,349,329.22
  4. Step 4: Simplify right side
    19,722,131.53x = 308,920,174,991,112.56
  5. Step 5: Solve for x
    x = 308,920,174,991,112.56/19,722,131.53
  6. Step 6: Final answer
    x = 15,663,630.20

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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.