Home / 13,448,349.06-18,558,633.78-7,647,131.22

Finding the Fourth Proportional to 13,448,349.06, 18,558,633.78 and 7,647,131.22

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Solution

The fourth proportional to 13,448,349.06, 18,558,633.78 and 7,647,131.22 is: 10,552,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,349.06 : 18,558,633.78 = 7,647,131.22 : x
  2. Step 2: Convert to fraction form
    13,448,349.06/18,558,633.78 = 7,647,131.22/x
  3. Step 3: Cross multiply
    13,448,349.06x = 18,558,633.78 × 7,647,131.22
  4. Step 4: Simplify right side
    13,448,349.06x = 141,920,307,779,584.62
  5. Step 5: Solve for x
    x = 141,920,307,779,584.62/13,448,349.06
  6. Step 6: Final answer
    x = 10,552,991.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.