Home / 12,303,826.20-18,450,209.70-4,728,274.20

Finding the Fourth Proportional to 12,303,826.20, 18,450,209.70 and 4,728,274.20

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Solution

The fourth proportional to 12,303,826.20, 18,450,209.70 and 4,728,274.20 is: 7,090,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,826.20 : 18,450,209.70 = 4,728,274.20 : x
  2. Step 2: Convert to fraction form
    12,303,826.20/18,450,209.70 = 4,728,274.20/x
  3. Step 3: Cross multiply
    12,303,826.20x = 18,450,209.70 × 4,728,274.20
  4. Step 4: Simplify right side
    12,303,826.20x = 87,237,650,509,099.73
  5. Step 5: Solve for x
    x = 87,237,650,509,099.73/12,303,826.20
  6. Step 6: Final answer
    x = 7,090,286.31

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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.