Finding the Fourth Proportional to 18,347,795.20, 27,514,694.40 and 5,564,051.20
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Solution
The fourth proportional to 18,347,795.20, 27,514,694.40 and 5,564,051.20 is: 8,343,954.50
Step by Step Solution
- Step 1: Write the proportion equation
18,347,795.20 : 27,514,694.40 = 5,564,051.20 : x - Step 2: Convert to fraction form
18,347,795.20/27,514,694.40 = 5,564,051.20/x - Step 3: Cross multiply
18,347,795.20x = 27,514,694.40 × 5,564,051.20 - Step 4: Simplify right side
18,347,795.20x = 153,093,168,393,953.28 - Step 5: Solve for x
x = 153,093,168,393,953.28/18,347,795.20 - Step 6: Final answer
x = 8,343,954.50
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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.