Finding the Fourth Proportional to 18,227,861.70, 27,341,792.55 and 4,764,689.70
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Solution
The fourth proportional to 18,227,861.70, 27,341,792.55 and 4,764,689.70 is: 7,147,034.55
Step by Step Solution
- Step 1: Write the proportion equation
18,227,861.70 : 27,341,792.55 = 4,764,689.70 : x - Step 2: Convert to fraction form
18,227,861.70/27,341,792.55 = 4,764,689.70/x - Step 3: Cross multiply
18,227,861.70x = 27,341,792.55 × 4,764,689.70 - Step 4: Simplify right side
18,227,861.70x = 130,275,157,342,521.75 - Step 5: Solve for x
x = 130,275,157,342,521.75/18,227,861.70 - Step 6: Final answer
x = 7,147,034.55
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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.