Finding the Fourth Proportional to 27,431,803.88, 41,118,901.97 and 9,229,680.20
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Solution
The fourth proportional to 27,431,803.88, 41,118,901.97 and 9,229,680.20 is: 13,834,828.99
Step by Step Solution
- Step 1: Write the proportion equation
27,431,803.88 : 41,118,901.97 = 9,229,680.20 : x - Step 2: Convert to fraction form
27,431,803.88/41,118,901.97 = 9,229,680.20/x - Step 3: Cross multiply
27,431,803.88x = 41,118,901.97 × 9,229,680.20 - Step 4: Simplify right side
27,431,803.88x = 379,514,315,414,898.88 - Step 5: Solve for x
x = 379,514,315,414,898.88/27,431,803.88 - Step 6: Final answer
x = 13,834,828.99
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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.