Finding the Fourth Proportional to 8,676,236.70, 13,005,497.70 and 5,080,152.60
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Solution
The fourth proportional to 8,676,236.70, 13,005,497.70 and 5,080,152.60 is: 7,615,042.70
Step by Step Solution
- Step 1: Write the proportion equation
8,676,236.70 : 13,005,497.70 = 5,080,152.60 : x - Step 2: Convert to fraction form
8,676,236.70/13,005,497.70 = 5,080,152.60/x - Step 3: Cross multiply
8,676,236.70x = 13,005,497.70 × 5,080,152.60 - Step 4: Simplify right side
8,676,236.70x = 66,069,912,954,949.01 - Step 5: Solve for x
x = 66,069,912,954,949.01/8,676,236.70 - Step 6: Final answer
x = 7,615,042.70
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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.