Home / 7,867,850.40-11,804,540.40-2,819,325.60

Finding the Fourth Proportional to 7,867,850.40, 11,804,540.40 and 2,819,325.60

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Solution

The fourth proportional to 7,867,850.40, 11,804,540.40 and 2,819,325.60 is: 4,229,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,850.40 : 11,804,540.40 = 2,819,325.60 : x
  2. Step 2: Convert to fraction form
    7,867,850.40/11,804,540.40 = 2,819,325.60/x
  3. Step 3: Cross multiply
    7,867,850.40x = 11,804,540.40 × 2,819,325.60
  4. Step 4: Simplify right side
    7,867,850.40x = 33,280,842,945,954.24
  5. Step 5: Solve for x
    x = 33,280,842,945,954.24/7,867,850.40
  6. Step 6: Final answer
    x = 4,229,979.12

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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.