Finding the Fourth Proportional to 12,277,792.68, 18,361,409.11 and 10,919,550.94
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Solution
The fourth proportional to 12,277,792.68, 18,361,409.11 and 10,919,550.94 is: 16,330,161.89
Step by Step Solution
- Step 1: Write the proportion equation
12,277,792.68 : 18,361,409.11 = 10,919,550.94 : x - Step 2: Convert to fraction form
12,277,792.68/18,361,409.11 = 10,919,550.94/x - Step 3: Cross multiply
12,277,792.68x = 18,361,409.11 × 10,919,550.94 - Step 4: Simplify right side
12,277,792.68x = 200,498,342,106,825.06 - Step 5: Solve for x
x = 200,498,342,106,825.06/12,277,792.68 - Step 6: Final answer
x = 16,330,161.89
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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.