Finding the Fourth Proportional to 8,202,612.60, 12,306,069.30 and 3,154,087.80
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Solution
The fourth proportional to 8,202,612.60, 12,306,069.30 and 3,154,087.80 is: 4,731,958.58
Step by Step Solution
- Step 1: Write the proportion equation
8,202,612.60 : 12,306,069.30 = 3,154,087.80 : x - Step 2: Convert to fraction form
8,202,612.60/12,306,069.30 = 3,154,087.80/x - Step 3: Cross multiply
8,202,612.60x = 12,306,069.30 × 3,154,087.80 - Step 4: Simplify right side
8,202,612.60x = 38,814,423,045,084.54 - Step 5: Solve for x
x = 38,814,423,045,084.54/8,202,612.60 - Step 6: Final answer
x = 4,731,958.58
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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.