Home / 20,694,053.19-28,556,648.37-11,399,795.94

Finding the Fourth Proportional to 20,694,053.19, 28,556,648.37 and 11,399,795.94

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Solution

The fourth proportional to 20,694,053.19, 28,556,648.37 and 11,399,795.94 is: 15,731,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,053.19 : 28,556,648.37 = 11,399,795.94 : x
  2. Step 2: Convert to fraction form
    20,694,053.19/28,556,648.37 = 11,399,795.94/x
  3. Step 3: Cross multiply
    20,694,053.19x = 28,556,648.37 × 11,399,795.94
  4. Step 4: Simplify right side
    20,694,053.19x = 325,539,964,148,333.62
  5. Step 5: Solve for x
    x = 325,539,964,148,333.62/20,694,053.19
  6. Step 6: Final answer
    x = 15,731,087.63

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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.