Finding the Fourth Proportional to 10,270,913.58, 14,173,687.62 and 5,687,136.54
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Solution
The fourth proportional to 10,270,913.58, 14,173,687.62 and 5,687,136.54 is: 7,848,152.57
Step by Step Solution
- Step 1: Write the proportion equation
10,270,913.58 : 14,173,687.62 = 5,687,136.54 : x - Step 2: Convert to fraction form
10,270,913.58/14,173,687.62 = 5,687,136.54/x - Step 3: Cross multiply
10,270,913.58x = 14,173,687.62 × 5,687,136.54 - Step 4: Simplify right side
10,270,913.58x = 80,607,696,770,247.62 - Step 5: Solve for x
x = 80,607,696,770,247.62/10,270,913.58 - Step 6: Final answer
x = 7,848,152.57
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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.