Finding the Fourth Proportional to 18,426,245.52, 27,643,411.84 and 5,647,711.44
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Solution
The fourth proportional to 18,426,245.52, 27,643,411.84 and 5,647,711.44 is: 8,472,806.53
Step by Step Solution
- Step 1: Write the proportion equation
18,426,245.52 : 27,643,411.84 = 5,647,711.44 : x - Step 2: Convert to fraction form
18,426,245.52/27,643,411.84 = 5,647,711.44/x - Step 3: Cross multiply
18,426,245.52x = 27,643,411.84 × 5,647,711.44 - Step 4: Simplify right side
18,426,245.52x = 156,122,013,289,399.47 - Step 5: Solve for x
x = 156,122,013,289,399.47/18,426,245.52 - Step 6: Final answer
x = 8,472,806.53
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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.