Home / 7,128,556.20-10,692,737.10-2,336,401.80

Finding the Fourth Proportional to 7,128,556.20, 10,692,737.10 and 2,336,401.80

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Solution

The fourth proportional to 7,128,556.20, 10,692,737.10 and 2,336,401.80 is: 3,504,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,556.20 : 10,692,737.10 = 2,336,401.80 : x
  2. Step 2: Convert to fraction form
    7,128,556.20/10,692,737.10 = 2,336,401.80/x
  3. Step 3: Cross multiply
    7,128,556.20x = 10,692,737.10 × 2,336,401.80
  4. Step 4: Simplify right side
    7,128,556.20x = 24,982,530,207,366.78
  5. Step 5: Solve for x
    x = 24,982,530,207,366.78/7,128,556.20
  6. Step 6: Final answer
    x = 3,504,570.84

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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.