Finding the Fourth Proportional to 30,344,425.44, 41,879,142.09 and 19,899,229.41
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Solution
The fourth proportional to 30,344,425.44, 41,879,142.09 and 19,899,229.41 is: 27,463,451.49
Step by Step Solution
- Step 1: Write the proportion equation
30,344,425.44 : 41,879,142.09 = 19,899,229.41 : x - Step 2: Convert to fraction form
30,344,425.44/41,879,142.09 = 19,899,229.41/x - Step 3: Cross multiply
30,344,425.44x = 41,879,142.09 × 19,899,229.41 - Step 4: Simplify right side
30,344,425.44x = 833,362,655,942,897 - Step 5: Solve for x
x = 833,362,655,942,897/30,344,425.44 - Step 6: Final answer
x = 27,463,451.49
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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.