Finding the Fourth Proportional to 20,379,156.84, 30,567,738.96 and 7,598,664.18
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Solution
The fourth proportional to 20,379,156.84, 30,567,738.96 and 7,598,664.18 is: 11,397,624.79
Step by Step Solution
- Step 1: Write the proportion equation
20,379,156.84 : 30,567,738.96 = 7,598,664.18 : x - Step 2: Convert to fraction form
20,379,156.84/30,567,738.96 = 7,598,664.18/x - Step 3: Cross multiply
20,379,156.84x = 30,567,738.96 × 7,598,664.18 - Step 4: Simplify right side
20,379,156.84x = 232,273,983,098,942.44 - Step 5: Solve for x
x = 232,273,983,098,942.44/20,379,156.84 - Step 6: Final answer
x = 11,397,624.79
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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.