Home / 19,313,338.20-28,970,007.30-19,014,739.80

Finding the Fourth Proportional to 19,313,338.20, 28,970,007.30 and 19,014,739.80

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Solution

The fourth proportional to 19,313,338.20, 28,970,007.30 and 19,014,739.80 is: 28,522,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,338.20 : 28,970,007.30 = 19,014,739.80 : x
  2. Step 2: Convert to fraction form
    19,313,338.20/28,970,007.30 = 19,014,739.80/x
  3. Step 3: Cross multiply
    19,313,338.20x = 28,970,007.30 × 19,014,739.80
  4. Step 4: Simplify right side
    19,313,338.20x = 550,857,150,813,600.56
  5. Step 5: Solve for x
    x = 550,857,150,813,600.56/19,313,338.20
  6. Step 6: Final answer
    x = 28,522,109.70

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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.