Finding the Fourth Proportional to 10,166,163.57, 14,028,912.23 and 5,519,842.26
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Solution
The fourth proportional to 10,166,163.57, 14,028,912.23 and 5,519,842.26 is: 7,617,168.67
Step by Step Solution
- Step 1: Write the proportion equation
10,166,163.57 : 14,028,912.23 = 5,519,842.26 : x - Step 2: Convert to fraction form
10,166,163.57/14,028,912.23 = 5,519,842.26/x - Step 3: Cross multiply
10,166,163.57x = 14,028,912.23 × 5,519,842.26 - Step 4: Simplify right side
10,166,163.57x = 77,437,382,602,784.44 - Step 5: Solve for x
x = 77,437,382,602,784.44/10,166,163.57 - Step 6: Final answer
x = 7,617,168.67
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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.