Finding the Fourth Proportional to 18,122,528.10, 27,183,792.15 and 10,060,371.30
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Solution
The fourth proportional to 18,122,528.10, 27,183,792.15 and 10,060,371.30 is: 15,090,556.95
Step by Step Solution
- Step 1: Write the proportion equation
18,122,528.10 : 27,183,792.15 = 10,060,371.30 : x - Step 2: Convert to fraction form
18,122,528.10/27,183,792.15 = 10,060,371.30/x - Step 3: Cross multiply
18,122,528.10x = 27,183,792.15 × 10,060,371.30 - Step 4: Simplify right side
18,122,528.10x = 273,479,042,371,025.31 - Step 5: Solve for x
x = 273,479,042,371,025.31/18,122,528.10 - Step 6: Final answer
x = 15,090,556.95
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1.5x scale
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.