Finding the Fourth Proportional to 19,950,961.44, 27,532,632.37 and 11,689,046.80
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Solution
The fourth proportional to 19,950,961.44, 27,532,632.37 and 11,689,046.80 is: 16,131,063.62
Step by Step Solution
- Step 1: Write the proportion equation
19,950,961.44 : 27,532,632.37 = 11,689,046.80 : x - Step 2: Convert to fraction form
19,950,961.44/27,532,632.37 = 11,689,046.80/x - Step 3: Cross multiply
19,950,961.44x = 27,532,632.37 × 11,689,046.80 - Step 4: Simplify right side
19,950,961.44x = 321,830,228,300,124.94 - Step 5: Solve for x
x = 321,830,228,300,124.94/19,950,961.44 - Step 6: Final answer
x = 16,131,063.62
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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.