Home / 7,943,189.54-11,918,808.39-3,624,761.21

Finding the Fourth Proportional to 7,943,189.54, 11,918,808.39 and 3,624,761.21

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Solution

The fourth proportional to 7,943,189.54, 11,918,808.39 and 3,624,761.21 is: 5,438,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943,189.54 : 11,918,808.39 = 3,624,761.21 : x
  2. Step 2: Convert to fraction form
    7,943,189.54/11,918,808.39 = 3,624,761.21/x
  3. Step 3: Cross multiply
    7,943,189.54x = 11,918,808.39 × 3,624,761.21
  4. Step 4: Simplify right side
    7,943,189.54x = 43,202,834,321,494.55
  5. Step 5: Solve for x
    x = 43,202,834,321,494.55/7,943,189.54
  6. Step 6: Final answer
    x = 5,438,978.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.