Home / 31,493,857.80-47,240,786.70-15,568,609.80

Finding the Fourth Proportional to 31,493,857.80, 47,240,786.70 and 15,568,609.80

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Solution

The fourth proportional to 31,493,857.80, 47,240,786.70 and 15,568,609.80 is: 23,352,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493,857.80 : 47,240,786.70 = 15,568,609.80 : x
  2. Step 2: Convert to fraction form
    31,493,857.80/47,240,786.70 = 15,568,609.80/x
  3. Step 3: Cross multiply
    31,493,857.80x = 47,240,786.70 × 15,568,609.80
  4. Step 4: Simplify right side
    31,493,857.80x = 735,473,374,777,329.75
  5. Step 5: Solve for x
    x = 735,473,374,777,329.75/31,493,857.80
  6. Step 6: Final answer
    x = 23,352,914.70

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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.