Finding the Fourth Proportional to 12,463,505.99, 18,728,137.79 and 6,710,493.14
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Solution
The fourth proportional to 12,463,505.99, 18,728,137.79 and 6,710,493.14 is: 10,083,442.03
Step by Step Solution
- Step 1: Write the proportion equation
12,463,505.99 : 18,728,137.79 = 6,710,493.14 : x - Step 2: Convert to fraction form
12,463,505.99/18,728,137.79 = 6,710,493.14/x - Step 3: Cross multiply
12,463,505.99x = 18,728,137.79 × 6,710,493.14 - Step 4: Simplify right side
12,463,505.99x = 125,675,040,087,905.30 - Step 5: Solve for x
x = 125,675,040,087,905.30/12,463,505.99 - Step 6: Final answer
x = 10,083,442.03
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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.