Finding the Fourth Proportional to 36,160,694.98, 49,902,416.55 and 20,482,974.68
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Solution
The fourth proportional to 36,160,694.98, 49,902,416.55 and 20,482,974.68 is: 28,266,877.48
Step by Step Solution
- Step 1: Write the proportion equation
36,160,694.98 : 49,902,416.55 = 20,482,974.68 : x - Step 2: Convert to fraction form
36,160,694.98/49,902,416.55 = 20,482,974.68/x - Step 3: Cross multiply
36,160,694.98x = 49,902,416.55 × 20,482,974.68 - Step 4: Simplify right side
36,160,694.98x = 1,022,149,934,414,950.88 - Step 5: Solve for x
x = 1,022,149,934,414,950.88/36,160,694.98 - Step 6: Final answer
x = 28,266,877.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.