Home / 12,270,173.60-18,405,087.60-5,538,576.80

Finding the Fourth Proportional to 12,270,173.60, 18,405,087.60 and 5,538,576.80

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Solution

The fourth proportional to 12,270,173.60, 18,405,087.60 and 5,538,576.80 is: 8,307,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270,173.60 : 18,405,087.60 = 5,538,576.80 : x
  2. Step 2: Convert to fraction form
    12,270,173.60/18,405,087.60 = 5,538,576.80/x
  3. Step 3: Cross multiply
    12,270,173.60x = 18,405,087.60 × 5,538,576.80
  4. Step 4: Simplify right side
    12,270,173.60x = 101,937,991,183,327.69
  5. Step 5: Solve for x
    x = 101,937,991,183,327.69/12,270,173.60
  6. Step 6: Final answer
    x = 8,307,787.20

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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.