Home / 8,082,628.20-12,123,942.30-7,043,365.80

Finding the Fourth Proportional to 8,082,628.20, 12,123,942.30 and 7,043,365.80

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Solution

The fourth proportional to 8,082,628.20, 12,123,942.30 and 7,043,365.80 is: 10,565,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,628.20 : 12,123,942.30 = 7,043,365.80 : x
  2. Step 2: Convert to fraction form
    8,082,628.20/12,123,942.30 = 7,043,365.80/x
  3. Step 3: Cross multiply
    8,082,628.20x = 12,123,942.30 × 7,043,365.80
  4. Step 4: Simplify right side
    8,082,628.20x = 85,393,360,556,993.34
  5. Step 5: Solve for x
    x = 85,393,360,556,993.34/8,082,628.20
  6. Step 6: Final answer
    x = 10,565,048.70

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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.