Home / 11,420,474.10-15,764,023.05-10,209,785.23

Finding the Fourth Proportional to 11,420,474.10, 15,764,023.05 and 10,209,785.23

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Solution

The fourth proportional to 11,420,474.10, 15,764,023.05 and 10,209,785.23 is: 14,092,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420,474.10 : 15,764,023.05 = 10,209,785.23 : x
  2. Step 2: Convert to fraction form
    11,420,474.10/15,764,023.05 = 10,209,785.23/x
  3. Step 3: Cross multiply
    11,420,474.10x = 15,764,023.05 × 10,209,785.23
  4. Step 4: Simplify right side
    11,420,474.10x = 160,947,289,622,449.44
  5. Step 5: Solve for x
    x = 160,947,289,622,449.44/11,420,474.10
  6. Step 6: Final answer
    x = 14,092,872.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.