Home / 13,772,953.80-20,635,811.10-6,568,975.80

Finding the Fourth Proportional to 13,772,953.80, 20,635,811.10 and 6,568,975.80

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Solution

The fourth proportional to 13,772,953.80, 20,635,811.10 and 6,568,975.80 is: 9,842,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,953.80 : 20,635,811.10 = 6,568,975.80 : x
  2. Step 2: Convert to fraction form
    13,772,953.80/20,635,811.10 = 6,568,975.80/x
  3. Step 3: Cross multiply
    13,772,953.80x = 20,635,811.10 × 6,568,975.80
  4. Step 4: Simplify right side
    13,772,953.80x = 135,556,143,729,271.39
  5. Step 5: Solve for x
    x = 135,556,143,729,271.39/13,772,953.80
  6. Step 6: Final answer
    x = 9,842,198.39

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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.