Finding the Fourth Proportional to 29,345,450.56, 40,468,578.24 and 18,880,786.24
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Solution
The fourth proportional to 29,345,450.56, 40,468,578.24 and 18,880,786.24 is: 26,037,377.54
Step by Step Solution
- Step 1: Write the proportion equation
29,345,450.56 : 40,468,578.24 = 18,880,786.24 : x - Step 2: Convert to fraction form
29,345,450.56/40,468,578.24 = 18,880,786.24/x - Step 3: Cross multiply
29,345,450.56x = 40,468,578.24 × 18,880,786.24 - Step 4: Simplify right side
29,345,450.56x = 764,078,575,186,155.38 - Step 5: Solve for x
x = 764,078,575,186,155.38/29,345,450.56 - Step 6: Final answer
x = 26,037,377.54
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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.