Home / 20,207,415.82-27,886,245.00-10,914,985.83

Finding the Fourth Proportional to 20,207,415.82, 27,886,245.00 and 10,914,985.83

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Solution

The fourth proportional to 20,207,415.82, 27,886,245.00 and 10,914,985.83 is: 15,062,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,415.82 : 27,886,245.00 = 10,914,985.83 : x
  2. Step 2: Convert to fraction form
    20,207,415.82/27,886,245.00 = 10,914,985.83/x
  3. Step 3: Cross multiply
    20,207,415.82x = 27,886,245.00 × 10,914,985.83
  4. Step 4: Simplify right side
    20,207,415.82x = 304,377,969,090,550.56
  5. Step 5: Solve for x
    x = 304,377,969,090,550.56/20,207,415.82
  6. Step 6: Final answer
    x = 15,062,686.48

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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.