Home / 12,303,947.20-18,450,391.20-4,728,395.20

Finding the Fourth Proportional to 12,303,947.20, 18,450,391.20 and 4,728,395.20

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Solution

The fourth proportional to 12,303,947.20, 18,450,391.20 and 4,728,395.20 is: 7,090,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,947.20 : 18,450,391.20 = 4,728,395.20 : x
  2. Step 2: Convert to fraction form
    12,303,947.20/18,450,391.20 = 4,728,395.20/x
  3. Step 3: Cross multiply
    12,303,947.20x = 18,450,391.20 × 4,728,395.20
  4. Step 4: Simplify right side
    12,303,947.20x = 87,240,741,188,202.23
  5. Step 5: Solve for x
    x = 87,240,741,188,202.23/12,303,947.20
  6. Step 6: Final answer
    x = 7,090,467.78

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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.