Home / 13,396,806.87-20,076,593.47-6,994,287.83

Finding the Fourth Proportional to 13,396,806.87, 20,076,593.47 and 6,994,287.83

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Solution

The fourth proportional to 13,396,806.87, 20,076,593.47 and 6,994,287.83 is: 10,481,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396,806.87 : 20,076,593.47 = 6,994,287.83 : x
  2. Step 2: Convert to fraction form
    13,396,806.87/20,076,593.47 = 6,994,287.83/x
  3. Step 3: Cross multiply
    13,396,806.87x = 20,076,593.47 × 6,994,287.83
  4. Step 4: Simplify right side
    13,396,806.87x = 140,421,473,375,078.47
  5. Step 5: Solve for x
    x = 140,421,473,375,078.47/13,396,806.87
  6. Step 6: Final answer
    x = 10,481,712.15

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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.