Home / 13,322,539.67-18,384,078.56-7,521,893.96

Finding the Fourth Proportional to 13,322,539.67, 18,384,078.56 and 7,521,893.96

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Solution

The fourth proportional to 13,322,539.67, 18,384,078.56 and 7,521,893.96 is: 10,379,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,539.67 : 18,384,078.56 = 7,521,893.96 : x
  2. Step 2: Convert to fraction form
    13,322,539.67/18,384,078.56 = 7,521,893.96/x
  3. Step 3: Cross multiply
    13,322,539.67x = 18,384,078.56 × 7,521,893.96
  4. Step 4: Simplify right side
    13,322,539.67x = 138,283,089,351,099.64
  5. Step 5: Solve for x
    x = 138,283,089,351,099.64/13,322,539.67
  6. Step 6: Final answer
    x = 10,379,634.28

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1.5x scale

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.