Finding the Fourth Proportional to 18,424,963.26, 27,636,447.96 and 5,645,504.97
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Solution
The fourth proportional to 18,424,963.26, 27,636,447.96 and 5,645,504.97 is: 8,467,951.99
Step by Step Solution
- Step 1: Write the proportion equation
18,424,963.26 : 27,636,447.96 = 5,645,504.97 : x - Step 2: Convert to fraction form
18,424,963.26/27,636,447.96 = 5,645,504.97/x - Step 3: Cross multiply
18,424,963.26x = 27,636,447.96 × 5,645,504.97 - Step 4: Simplify right side
18,424,963.26x = 156,021,704,311,326.34 - Step 5: Solve for x
x = 156,021,704,311,326.34/18,424,963.26 - Step 6: Final answer
x = 8,467,951.99
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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.