Home / 19,902,470.22-27,465,352.65-11,200,642.86

Finding the Fourth Proportional to 19,902,470.22, 27,465,352.65 and 11,200,642.86

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Solution

The fourth proportional to 19,902,470.22, 27,465,352.65 and 11,200,642.86 is: 15,456,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902,470.22 : 27,465,352.65 = 11,200,642.86 : x
  2. Step 2: Convert to fraction form
    19,902,470.22/27,465,352.65 = 11,200,642.86/x
  3. Step 3: Cross multiply
    19,902,470.22x = 27,465,352.65 × 11,200,642.86
  4. Step 4: Simplify right side
    19,902,470.22x = 307,629,606,056,604.56
  5. Step 5: Solve for x
    x = 307,629,606,056,604.56/19,902,470.22
  6. Step 6: Final answer
    x = 15,456,855.49

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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.