Home / 19,845,686.70-27,379,231.92-11,467,520.46

Finding the Fourth Proportional to 19,845,686.70, 27,379,231.92 and 11,467,520.46

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Solution

The fourth proportional to 19,845,686.70, 27,379,231.92 and 11,467,520.46 is: 15,820,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845,686.70 : 27,379,231.92 = 11,467,520.46 : x
  2. Step 2: Convert to fraction form
    19,845,686.70/27,379,231.92 = 11,467,520.46/x
  3. Step 3: Cross multiply
    19,845,686.70x = 27,379,231.92 × 11,467,520.46
  4. Step 4: Simplify right side
    19,845,686.70x = 313,971,902,221,685.12
  5. Step 5: Solve for x
    x = 313,971,902,221,685.12/19,845,686.70
  6. Step 6: Final answer
    x = 15,820,662.04

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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.