Home / 21,669,629.73-29,904,081.81-11,879,863.98

Finding the Fourth Proportional to 21,669,629.73, 29,904,081.81 and 11,879,863.98

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Solution

The fourth proportional to 21,669,629.73, 29,904,081.81 and 11,879,863.98 is: 16,394,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,629.73 : 29,904,081.81 = 11,879,863.98 : x
  2. Step 2: Convert to fraction form
    21,669,629.73/29,904,081.81 = 11,879,863.98/x
  3. Step 3: Cross multiply
    21,669,629.73x = 29,904,081.81 × 11,879,863.98
  4. Step 4: Simplify right side
    21,669,629.73x = 355,256,424,349,592.19
  5. Step 5: Solve for x
    x = 355,256,424,349,592.19/21,669,629.73
  6. Step 6: Final answer
    x = 16,394,208.34

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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.