Finding the Fourth Proportional to 11,864,514.12, 16,372,882.05 and 6,970,182.37
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Solution
The fourth proportional to 11,864,514.12, 16,372,882.05 and 6,970,182.37 is: 9,618,765.05
Step by Step Solution
- Step 1: Write the proportion equation
11,864,514.12 : 16,372,882.05 = 6,970,182.37 : x - Step 2: Convert to fraction form
11,864,514.12/16,372,882.05 = 6,970,182.37/x - Step 3: Cross multiply
11,864,514.12x = 16,372,882.05 × 6,970,182.37 - Step 4: Simplify right side
11,864,514.12x = 114,121,973,743,929.06 - Step 5: Solve for x
x = 114,121,973,743,929.06/11,864,514.12 - Step 6: Final answer
x = 9,618,765.05
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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.