Home / 7,187,538.39-9,918,669.96-4,089,993.09

Finding the Fourth Proportional to 7,187,538.39, 9,918,669.96 and 4,089,993.09

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Solution

The fourth proportional to 7,187,538.39, 9,918,669.96 and 4,089,993.09 is: 5,644,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,538.39 : 9,918,669.96 = 4,089,993.09 : x
  2. Step 2: Convert to fraction form
    7,187,538.39/9,918,669.96 = 4,089,993.09/x
  3. Step 3: Cross multiply
    7,187,538.39x = 9,918,669.96 × 4,089,993.09
  4. Step 4: Simplify right side
    7,187,538.39x = 40,567,291,598,390.58
  5. Step 5: Solve for x
    x = 40,567,291,598,390.58/7,187,538.39
  6. Step 6: Final answer
    x = 5,644,114.77

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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.