Finding the Fourth Proportional to 8,822,423.70, 13,233,635.55 and 8,449,175.70
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Solution
The fourth proportional to 8,822,423.70, 13,233,635.55 and 8,449,175.70 is: 12,673,763.55
Step by Step Solution
- Step 1: Write the proportion equation
8,822,423.70 : 13,233,635.55 = 8,449,175.70 : x - Step 2: Convert to fraction form
8,822,423.70/13,233,635.55 = 8,449,175.70/x - Step 3: Cross multiply
8,822,423.70x = 13,233,635.55 × 8,449,175.70 - Step 4: Simplify right side
8,822,423.70x = 111,813,311,911,716.12 - Step 5: Solve for x
x = 111,813,311,911,716.12/8,822,423.70 - Step 6: Final answer
x = 12,673,763.55
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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.