Home / 28,445,991.56-39,255,571.76-15,393,249.12

Finding the Fourth Proportional to 28,445,991.56, 39,255,571.76 and 15,393,249.12

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Solution

The fourth proportional to 28,445,991.56, 39,255,571.76 and 15,393,249.12 is: 21,242,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,991.56 : 39,255,571.76 = 15,393,249.12 : x
  2. Step 2: Convert to fraction form
    28,445,991.56/39,255,571.76 = 15,393,249.12/x
  3. Step 3: Cross multiply
    28,445,991.56x = 39,255,571.76 × 15,393,249.12
  4. Step 4: Simplify right side
    28,445,991.56x = 604,270,795,449,716.75
  5. Step 5: Solve for x
    x = 604,270,795,449,716.75/28,445,991.56
  6. Step 6: Final answer
    x = 21,242,739.74

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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.