Finding the Fourth Proportional to 17,770,128.96, 26,635,042.94 and 8,165,661.46
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Solution
The fourth proportional to 17,770,128.96, 26,635,042.94 and 8,165,661.46 is: 12,239,232.71
Step by Step Solution
- Step 1: Write the proportion equation
17,770,128.96 : 26,635,042.94 = 8,165,661.46 : x - Step 2: Convert to fraction form
17,770,128.96/26,635,042.94 = 8,165,661.46/x - Step 3: Cross multiply
17,770,128.96x = 26,635,042.94 × 8,165,661.46 - Step 4: Simplify right side
17,770,128.96x = 217,492,743,620,603.09 - Step 5: Solve for x
x = 217,492,743,620,603.09/17,770,128.96 - Step 6: Final answer
x = 12,239,232.71
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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.