Finding the Fourth Proportional to 6,424,456.16, 8,876,163.12 and 5,467,697.12
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Solution
The fourth proportional to 6,424,456.16, 8,876,163.12 and 5,467,697.12 is: 7,554,284.80
Step by Step Solution
- Step 1: Write the proportion equation
6,424,456.16 : 8,876,163.12 = 5,467,697.12 : x - Step 2: Convert to fraction form
6,424,456.16/8,876,163.12 = 5,467,697.12/x - Step 3: Cross multiply
6,424,456.16x = 8,876,163.12 × 5,467,697.12 - Step 4: Simplify right side
6,424,456.16x = 48,532,171,527,874.21 - Step 5: Solve for x
x = 48,532,171,527,874.21/6,424,456.16 - Step 6: Final answer
x = 7,554,284.80
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1.5x scale
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.