Home / 7,431,911.20-11,148,190.80-2,040,421.60

Finding the Fourth Proportional to 7,431,911.20, 11,148,190.80 and 2,040,421.60

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Solution

The fourth proportional to 7,431,911.20, 11,148,190.80 and 2,040,421.60 is: 3,060,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,911.20 : 11,148,190.80 = 2,040,421.60 : x
  2. Step 2: Convert to fraction form
    7,431,911.20/11,148,190.80 = 2,040,421.60/x
  3. Step 3: Cross multiply
    7,431,911.20x = 11,148,190.80 × 2,040,421.60
  4. Step 4: Simplify right side
    7,431,911.20x = 22,747,009,309,241.28
  5. Step 5: Solve for x
    x = 22,747,009,309,241.28/7,431,911.20
  6. Step 6: Final answer
    x = 3,060,721.35

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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.