Home / 7,388,520.40-11,081,743.80-2,340,341.20

Finding the Fourth Proportional to 7,388,520.40, 11,081,743.80 and 2,340,341.20

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Solution

The fourth proportional to 7,388,520.40, 11,081,743.80 and 2,340,341.20 is: 3,510,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,520.40 : 11,081,743.80 = 2,340,341.20 : x
  2. Step 2: Convert to fraction form
    7,388,520.40/11,081,743.80 = 2,340,341.20/x
  3. Step 3: Cross multiply
    7,388,520.40x = 11,081,743.80 × 2,340,341.20
  4. Step 4: Simplify right side
    7,388,520.40x = 25,935,061,582,984.56
  5. Step 5: Solve for x
    x = 25,935,061,582,984.56/7,388,520.40
  6. Step 6: Final answer
    x = 3,510,183.39

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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.