Finding the Fourth Proportional to 38,405,383.93, 57,613,805.84 and 14,142,446.29
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Solution
The fourth proportional to 38,405,383.93, 57,613,805.84 and 14,142,446.29 is: 21,215,779.44
Step by Step Solution
- Step 1: Write the proportion equation
38,405,383.93 : 57,613,805.84 = 14,142,446.29 : x - Step 2: Convert to fraction form
38,405,383.93/57,613,805.84 = 14,142,446.29/x - Step 3: Cross multiply
38,405,383.93x = 57,613,805.84 × 14,142,446.29 - Step 4: Simplify right side
38,405,383.93x = 814,800,154,654,688.38 - Step 5: Solve for x
x = 814,800,154,654,688.38/38,405,383.93 - Step 6: Final answer
x = 21,215,779.44
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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.