Finding the Fourth Proportional to 11,783,121.97, 16,260,453.37 and 6,821,772.51
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Solution
The fourth proportional to 11,783,121.97, 16,260,453.37 and 6,821,772.51 is: 9,413,898.45
Step by Step Solution
- Step 1: Write the proportion equation
11,783,121.97 : 16,260,453.37 = 6,821,772.51 : x - Step 2: Convert to fraction form
11,783,121.97/16,260,453.37 = 6,821,772.51/x - Step 3: Cross multiply
11,783,121.97x = 16,260,453.37 × 6,821,772.51 - Step 4: Simplify right side
11,783,121.97x = 110,925,113,684,191.73 - Step 5: Solve for x
x = 110,925,113,684,191.73/11,783,121.97 - Step 6: Final answer
x = 9,413,898.45
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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.