Finding the Fourth Proportional to 18,495,990.43, 27,750,147.15 and 6,201,170.37
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Solution
The fourth proportional to 18,495,990.43, 27,750,147.15 and 6,201,170.37 is: 9,303,821.33
Step by Step Solution
- Step 1: Write the proportion equation
18,495,990.43 : 27,750,147.15 = 6,201,170.37 : x - Step 2: Convert to fraction form
18,495,990.43/27,750,147.15 = 6,201,170.37/x - Step 3: Cross multiply
18,495,990.43x = 27,750,147.15 × 6,201,170.37 - Step 4: Simplify right side
18,495,990.43x = 172,083,390,269,719.94 - Step 5: Solve for x
x = 172,083,390,269,719.94/18,495,990.43 - Step 6: Final answer
x = 9,303,821.33
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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.