Finding the Fourth Proportional to 8,496,717.10, 12,743,304.45 and 3,107,905.90
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Solution
The fourth proportional to 8,496,717.10, 12,743,304.45 and 3,107,905.90 is: 4,661,210.99
Step by Step Solution
- Step 1: Write the proportion equation
8,496,717.10 : 12,743,304.45 = 3,107,905.90 : x - Step 2: Convert to fraction form
8,496,717.10/12,743,304.45 = 3,107,905.90/x - Step 3: Cross multiply
8,496,717.10x = 12,743,304.45 × 3,107,905.90 - Step 4: Simplify right side
8,496,717.10x = 39,604,991,085,651.25 - Step 5: Solve for x
x = 39,604,991,085,651.25/8,496,717.10 - Step 6: Final answer
x = 4,661,210.99
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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.