Home / 10,975,103.60-16,481,317.80-8,138,418.80

Finding the Fourth Proportional to 10,975,103.60, 16,481,317.80 and 8,138,418.80

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Solution

The fourth proportional to 10,975,103.60, 16,481,317.80 and 8,138,418.80 is: 12,221,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975,103.60 : 16,481,317.80 = 8,138,418.80 : x
  2. Step 2: Convert to fraction form
    10,975,103.60/16,481,317.80 = 8,138,418.80/x
  3. Step 3: Cross multiply
    10,975,103.60x = 16,481,317.80 × 8,138,418.80
  4. Step 4: Simplify right side
    10,975,103.60x = 134,131,866,632,294.64
  5. Step 5: Solve for x
    x = 134,131,866,632,294.64/10,975,103.60
  6. Step 6: Final answer
    x = 12,221,467.01

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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.