Finding the Fourth Proportional to 31,450,824.70, 47,160,450.41 and 18,324,491.37
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Solution
The fourth proportional to 31,450,824.70, 47,160,450.41 and 18,324,491.37 is: 27,477,539.14
Step by Step Solution
- Step 1: Write the proportion equation
31,450,824.70 : 47,160,450.41 = 18,324,491.37 : x - Step 2: Convert to fraction form
31,450,824.70/47,160,450.41 = 18,324,491.37/x - Step 3: Cross multiply
31,450,824.70x = 47,160,450.41 × 18,324,491.37 - Step 4: Simplify right side
31,450,824.70x = 864,191,266,543,358 - Step 5: Solve for x
x = 864,191,266,543,358/31,450,824.70 - Step 6: Final answer
x = 27,477,539.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.