Home / 7,867,858.40-11,804,552.40-2,819,333.60

Finding the Fourth Proportional to 7,867,858.40, 11,804,552.40 and 2,819,333.60

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Solution

The fourth proportional to 7,867,858.40, 11,804,552.40 and 2,819,333.60 is: 4,229,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,858.40 : 11,804,552.40 = 2,819,333.60 : x
  2. Step 2: Convert to fraction form
    7,867,858.40/11,804,552.40 = 2,819,333.60/x
  3. Step 3: Cross multiply
    7,867,858.40x = 11,804,552.40 × 2,819,333.60
  4. Step 4: Simplify right side
    7,867,858.40x = 33,280,971,214,280.64
  5. Step 5: Solve for x
    x = 33,280,971,214,280.64/7,867,858.40
  6. Step 6: Final answer
    x = 4,229,991.13

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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.