Finding the Fourth Proportional to 8,686,514.54, 11,982,409.67 and 5,417,654.13
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Solution
The fourth proportional to 8,686,514.54, 11,982,409.67 and 5,417,654.13 is: 7,473,256.50
Step by Step Solution
- Step 1: Write the proportion equation
8,686,514.54 : 11,982,409.67 = 5,417,654.13 : x - Step 2: Convert to fraction form
8,686,514.54/11,982,409.67 = 5,417,654.13/x - Step 3: Cross multiply
8,686,514.54x = 11,982,409.67 × 5,417,654.13 - Step 4: Simplify right side
8,686,514.54x = 64,916,551,236,027.44 - Step 5: Solve for x
x = 64,916,551,236,027.44/8,686,514.54 - Step 6: Final answer
x = 7,473,256.50
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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.