Finding the Fourth Proportional to 36,696,738.80, 55,045,108.20 and 11,137,707.20
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Solution
The fourth proportional to 36,696,738.80, 55,045,108.20 and 11,137,707.20 is: 16,706,560.80
Step by Step Solution
- Step 1: Write the proportion equation
36,696,738.80 : 55,045,108.20 = 11,137,707.20 : x - Step 2: Convert to fraction form
36,696,738.80/55,045,108.20 = 11,137,707.20/x - Step 3: Cross multiply
36,696,738.80x = 55,045,108.20 × 11,137,707.20 - Step 4: Simplify right side
36,696,738.80x = 613,076,297,923,919 - Step 5: Solve for x
x = 613,076,297,923,919/36,696,738.80 - Step 6: Final answer
x = 16,706,560.80
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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.