Home / 28,858,555.86-39,824,845.48-15,627,755.58

Finding the Fourth Proportional to 28,858,555.86, 39,824,845.48 and 15,627,755.58

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Solution

The fourth proportional to 28,858,555.86, 39,824,845.48 and 15,627,755.58 is: 21,566,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,555.86 : 39,824,845.48 = 15,627,755.58 : x
  2. Step 2: Convert to fraction form
    28,858,555.86/39,824,845.48 = 15,627,755.58/x
  3. Step 3: Cross multiply
    28,858,555.86x = 39,824,845.48 × 15,627,755.58
  4. Step 4: Simplify right side
    28,858,555.86x = 622,372,951,172,707.75
  5. Step 5: Solve for x
    x = 622,372,951,172,707.75/28,858,555.86
  6. Step 6: Final answer
    x = 21,566,323.49

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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.