Home / 10,065,220.20-15,082,900.26-7,392,764.52

Finding the Fourth Proportional to 10,065,220.20, 15,082,900.26 and 7,392,764.52

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Solution

The fourth proportional to 10,065,220.20, 15,082,900.26 and 7,392,764.52 is: 11,078,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065,220.20 : 15,082,900.26 = 7,392,764.52 : x
  2. Step 2: Convert to fraction form
    10,065,220.20/15,082,900.26 = 7,392,764.52/x
  3. Step 3: Cross multiply
    10,065,220.20x = 15,082,900.26 × 7,392,764.52
  4. Step 4: Simplify right side
    10,065,220.20x = 111,504,329,900,826.77
  5. Step 5: Solve for x
    x = 111,504,329,900,826.77/10,065,220.20
  6. Step 6: Final answer
    x = 11,078,180.87

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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.