Finding the Fourth Proportional to 8,393,391.23, 12,596,729.85 and 3,278,271.60
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Solution
The fourth proportional to 8,393,391.23, 12,596,729.85 and 3,278,271.60 is: 4,920,002.01
Step by Step Solution
- Step 1: Write the proportion equation
8,393,391.23 : 12,596,729.85 = 3,278,271.60 : x - Step 2: Convert to fraction form
8,393,391.23/12,596,729.85 = 3,278,271.60/x - Step 3: Cross multiply
8,393,391.23x = 12,596,729.85 × 3,278,271.60 - Step 4: Simplify right side
8,393,391.23x = 41,295,501,720,127.26 - Step 5: Solve for x
x = 41,295,501,720,127.26/8,393,391.23 - Step 6: Final answer
x = 4,920,002.01
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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.