Finding the Fourth Proportional to 8,537,234.70, 12,806,525.97 and 2,857,480.14
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Solution
The fourth proportional to 8,537,234.70, 12,806,525.97 and 2,857,480.14 is: 4,286,445.78
Step by Step Solution
- Step 1: Write the proportion equation
8,537,234.70 : 12,806,525.97 = 2,857,480.14 : x - Step 2: Convert to fraction form
8,537,234.70/12,806,525.97 = 2,857,480.14/x - Step 3: Cross multiply
8,537,234.70x = 12,806,525.97 × 2,857,480.14 - Step 4: Simplify right side
8,537,234.70x = 36,594,393,621,669.24 - Step 5: Solve for x
x = 36,594,393,621,669.24/8,537,234.70 - Step 6: Final answer
x = 4,286,445.78
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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.