Finding the Fourth Proportional to 21,263,225.10, 31,910,584.05 and 8,492,894.70
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Solution
The fourth proportional to 21,263,225.10, 31,910,584.05 and 8,492,894.70 is: 12,745,631.43
Step by Step Solution
- Step 1: Write the proportion equation
21,263,225.10 : 31,910,584.05 = 8,492,894.70 : x - Step 2: Convert to fraction form
21,263,225.10/31,910,584.05 = 8,492,894.70/x - Step 3: Cross multiply
21,263,225.10x = 31,910,584.05 × 8,492,894.70 - Step 4: Simplify right side
21,263,225.10x = 271,013,230,152,149.53 - Step 5: Solve for x
x = 271,013,230,152,149.53/21,263,225.10 - Step 6: Final answer
x = 12,745,631.43
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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.