Home / 20,414,822.40-30,622,233.60-18,855,928.80

Finding the Fourth Proportional to 20,414,822.40, 30,622,233.60 and 18,855,928.80

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Solution

The fourth proportional to 20,414,822.40, 30,622,233.60 and 18,855,928.80 is: 28,283,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,822.40 : 30,622,233.60 = 18,855,928.80 : x
  2. Step 2: Convert to fraction form
    20,414,822.40/30,622,233.60 = 18,855,928.80/x
  3. Step 3: Cross multiply
    20,414,822.40x = 30,622,233.60 × 18,855,928.80
  4. Step 4: Simplify right side
    20,414,822.40x = 577,410,656,458,567.75
  5. Step 5: Solve for x
    x = 577,410,656,458,567.75/20,414,822.40
  6. Step 6: Final answer
    x = 28,283,893.20

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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.