Finding the Fourth Proportional to 12,552,896.99, 18,836,609.99 and 5,265,704.13
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Solution
The fourth proportional to 12,552,896.99, 18,836,609.99 and 5,265,704.13 is: 7,901,603.52
Step by Step Solution
- Step 1: Write the proportion equation
12,552,896.99 : 18,836,609.99 = 5,265,704.13 : x - Step 2: Convert to fraction form
12,552,896.99/18,836,609.99 = 5,265,704.13/x - Step 3: Cross multiply
12,552,896.99x = 18,836,609.99 × 5,265,704.13 - Step 4: Simplify right side
12,552,896.99x = 99,188,014,993,213.73 - Step 5: Solve for x
x = 99,188,014,993,213.73/12,552,896.99 - Step 6: Final answer
x = 7,901,603.52
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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.