Finding the Fourth Proportional to 10,816,161.90, 14,923,917.27 and 6,403,696.56
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Solution
The fourth proportional to 10,816,161.90, 14,923,917.27 and 6,403,696.56 is: 8,835,688.53
Step by Step Solution
- Step 1: Write the proportion equation
10,816,161.90 : 14,923,917.27 = 6,403,696.56 : x - Step 2: Convert to fraction form
10,816,161.90/14,923,917.27 = 6,403,696.56/x - Step 3: Cross multiply
10,816,161.90x = 14,923,917.27 × 6,403,696.56 - Step 4: Simplify right side
10,816,161.90x = 95,568,237,683,623.58 - Step 5: Solve for x
x = 95,568,237,683,623.58/10,816,161.90 - Step 6: Final answer
x = 8,835,688.53
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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.