Home / 17,967,209.60-26,950,814.40-5,188,131.20

Finding the Fourth Proportional to 17,967,209.60, 26,950,814.40 and 5,188,131.20

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Solution

The fourth proportional to 17,967,209.60, 26,950,814.40 and 5,188,131.20 is: 7,782,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967,209.60 : 26,950,814.40 = 5,188,131.20 : x
  2. Step 2: Convert to fraction form
    17,967,209.60/26,950,814.40 = 5,188,131.20/x
  3. Step 3: Cross multiply
    17,967,209.60x = 26,950,814.40 × 5,188,131.20
  4. Step 4: Simplify right side
    17,967,209.60x = 139,824,361,054,049.28
  5. Step 5: Solve for x
    x = 139,824,361,054,049.28/17,967,209.60
  6. Step 6: Final answer
    x = 7,782,196.80

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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.