Home / 7,480,137.92-11,220,209.96-1,800,362.24

Finding the Fourth Proportional to 7,480,137.92, 11,220,209.96 and 1,800,362.24

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Solution

The fourth proportional to 7,480,137.92, 11,220,209.96 and 1,800,362.24 is: 2,700,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,137.92 : 11,220,209.96 = 1,800,362.24 : x
  2. Step 2: Convert to fraction form
    7,480,137.92/11,220,209.96 = 1,800,362.24/x
  3. Step 3: Cross multiply
    7,480,137.92x = 11,220,209.96 × 1,800,362.24
  4. Step 4: Simplify right side
    7,480,137.92x = 20,200,442,336,855.91
  5. Step 5: Solve for x
    x = 20,200,442,336,855.91/7,480,137.92
  6. Step 6: Final answer
    x = 2,700,544.10

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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.