Finding the Fourth Proportional to 11,782,816.44, 16,260,131.80 and 6,626,176.60
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Solution
The fourth proportional to 11,782,816.44, 16,260,131.80 and 6,626,176.60 is: 9,144,036.61
Step by Step Solution
- Step 1: Write the proportion equation
11,782,816.44 : 16,260,131.80 = 6,626,176.60 : x - Step 2: Convert to fraction form
11,782,816.44/16,260,131.80 = 6,626,176.60/x - Step 3: Cross multiply
11,782,816.44x = 16,260,131.80 × 6,626,176.60 - Step 4: Simplify right side
11,782,816.44x = 107,742,504,846,075.88 - Step 5: Solve for x
x = 107,742,504,846,075.88/11,782,816.44 - Step 6: Final answer
x = 9,144,036.61
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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.