Finding the Fourth Proportional to 18,206,512.76, 27,290,694.56 and 8,483,108.27
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Solution
The fourth proportional to 18,206,512.76, 27,290,694.56 and 8,483,108.27 is: 12,715,774.82
Step by Step Solution
- Step 1: Write the proportion equation
18,206,512.76 : 27,290,694.56 = 8,483,108.27 : x - Step 2: Convert to fraction form
18,206,512.76/27,290,694.56 = 8,483,108.27/x - Step 3: Cross multiply
18,206,512.76x = 27,290,694.56 × 8,483,108.27 - Step 4: Simplify right side
18,206,512.76x = 231,509,916,537,111 - Step 5: Solve for x
x = 231,509,916,537,111/18,206,512.76 - Step 6: Final answer
x = 12,715,774.82
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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.