Finding the Fourth Proportional to 8,129,296.56, 12,195,995.19 and 5,737,812.06
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Solution
The fourth proportional to 8,129,296.56, 12,195,995.19 and 5,737,812.06 is: 8,608,165.27
Step by Step Solution
- Step 1: Write the proportion equation
8,129,296.56 : 12,195,995.19 = 5,737,812.06 : x - Step 2: Convert to fraction form
8,129,296.56/12,195,995.19 = 5,737,812.06/x - Step 3: Cross multiply
8,129,296.56x = 12,195,995.19 × 5,737,812.06 - Step 4: Simplify right side
8,129,296.56x = 69,978,328,284,883.98 - Step 5: Solve for x
x = 69,978,328,284,883.98/8,129,296.56 - Step 6: Final answer
x = 8,608,165.27
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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.