Home / 11,458,245.21-15,854,015.55-9,991,212.63

Finding the Fourth Proportional to 11,458,245.21, 15,854,015.55 and 9,991,212.63

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Solution

The fourth proportional to 11,458,245.21, 15,854,015.55 and 9,991,212.63 is: 13,824,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458,245.21 : 15,854,015.55 = 9,991,212.63 : x
  2. Step 2: Convert to fraction form
    11,458,245.21/15,854,015.55 = 9,991,212.63/x
  3. Step 3: Cross multiply
    11,458,245.21x = 15,854,015.55 × 9,991,212.63
  4. Step 4: Simplify right side
    11,458,245.21x = 158,400,840,399,376.41
  5. Step 5: Solve for x
    x = 158,400,840,399,376.41/11,458,245.21
  6. Step 6: Final answer
    x = 13,824,179.66

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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.