Home / 12,476,906.20-18,722,357.70-5,287,216.60

Finding the Fourth Proportional to 12,476,906.20, 18,722,357.70 and 5,287,216.60

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Solution

The fourth proportional to 12,476,906.20, 18,722,357.70 and 5,287,216.60 is: 7,933,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,906.20 : 18,722,357.70 = 5,287,216.60 : x
  2. Step 2: Convert to fraction form
    12,476,906.20/18,722,357.70 = 5,287,216.60/x
  3. Step 3: Cross multiply
    12,476,906.20x = 18,722,357.70 × 5,287,216.60
  4. Step 4: Simplify right side
    12,476,906.20x = 98,989,160,422,577.81
  5. Step 5: Solve for x
    x = 98,989,160,422,577.81/12,476,906.20
  6. Step 6: Final answer
    x = 7,933,790.54

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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.