Finding the Fourth Proportional to 11,198,497.53, 16,782,130.62 and 8,463,799.98
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Solution
The fourth proportional to 11,198,497.53, 16,782,130.62 and 8,463,799.98 is: 12,683,897.68
Step by Step Solution
- Step 1: Write the proportion equation
11,198,497.53 : 16,782,130.62 = 8,463,799.98 : x - Step 2: Convert to fraction form
11,198,497.53/16,782,130.62 = 8,463,799.98/x - Step 3: Cross multiply
11,198,497.53x = 16,782,130.62 × 8,463,799.98 - Step 4: Simplify right side
11,198,497.53x = 142,040,596,805,913.41 - Step 5: Solve for x
x = 142,040,596,805,913.41/11,198,497.53 - Step 6: Final answer
x = 12,683,897.68
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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.