Finding the Fourth Proportional to 8,086,343.10, 12,096,337.05 and 7,290,080.70
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Solution
The fourth proportional to 8,086,343.10, 12,096,337.05 and 7,290,080.70 is: 10,905,210.45
Step by Step Solution
- Step 1: Write the proportion equation
8,086,343.10 : 12,096,337.05 = 7,290,080.70 : x - Step 2: Convert to fraction form
8,086,343.10/12,096,337.05 = 7,290,080.70/x - Step 3: Cross multiply
8,086,343.10x = 12,096,337.05 × 7,290,080.70 - Step 4: Simplify right side
8,086,343.10x = 88,183,273,268,899.94 - Step 5: Solve for x
x = 88,183,273,268,899.94/8,086,343.10 - Step 6: Final answer
x = 10,905,210.45
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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.