Home / 12,201,816.36-16,839,999.98-7,045,169.24

Finding the Fourth Proportional to 12,201,816.36, 16,839,999.98 and 7,045,169.24

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Solution

The fourth proportional to 12,201,816.36, 16,839,999.98 and 7,045,169.24 is: 9,723,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,816.36 : 16,839,999.98 = 7,045,169.24 : x
  2. Step 2: Convert to fraction form
    12,201,816.36/16,839,999.98 = 7,045,169.24/x
  3. Step 3: Cross multiply
    12,201,816.36x = 16,839,999.98 × 7,045,169.24
  4. Step 4: Simplify right side
    12,201,816.36x = 118,640,649,860,696.62
  5. Step 5: Solve for x
    x = 118,640,649,860,696.62/12,201,816.36
  6. Step 6: Final answer
    x = 9,723,195.82

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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.