Home / 13,188,548.20-19,782,822.30-4,090,628.20

Finding the Fourth Proportional to 13,188,548.20, 19,782,822.30 and 4,090,628.20

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Solution

The fourth proportional to 13,188,548.20, 19,782,822.30 and 4,090,628.20 is: 6,135,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,548.20 : 19,782,822.30 = 4,090,628.20 : x
  2. Step 2: Convert to fraction form
    13,188,548.20/19,782,822.30 = 4,090,628.20/x
  3. Step 3: Cross multiply
    13,188,548.20x = 19,782,822.30 × 4,090,628.20
  4. Step 4: Simplify right side
    13,188,548.20x = 80,924,170,775,968.86
  5. Step 5: Solve for x
    x = 80,924,170,775,968.86/13,188,548.20
  6. Step 6: Final answer
    x = 6,135,942.30

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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.