Home / 7,005,830.20-10,508,745.30-3,972,023.80

Finding the Fourth Proportional to 7,005,830.20, 10,508,745.30 and 3,972,023.80

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Solution

The fourth proportional to 7,005,830.20, 10,508,745.30 and 3,972,023.80 is: 5,958,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,830.20 : 10,508,745.30 = 3,972,023.80 : x
  2. Step 2: Convert to fraction form
    7,005,830.20/10,508,745.30 = 3,972,023.80/x
  3. Step 3: Cross multiply
    7,005,830.20x = 10,508,745.30 × 3,972,023.80
  4. Step 4: Simplify right side
    7,005,830.20x = 41,740,986,439,738.14
  5. Step 5: Solve for x
    x = 41,740,986,439,738.14/7,005,830.20
  6. Step 6: Final answer
    x = 5,958,035.70

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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.