Finding the Fourth Proportional to 38,425,169.61, 53,027,376.17 and 21,021,635.97
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Solution
The fourth proportional to 38,425,169.61, 53,027,376.17 and 21,021,635.97 is: 29,010,208.92
Step by Step Solution
- Step 1: Write the proportion equation
38,425,169.61 : 53,027,376.17 = 21,021,635.97 : x - Step 2: Convert to fraction form
38,425,169.61/53,027,376.17 = 21,021,635.97/x - Step 3: Cross multiply
38,425,169.61x = 53,027,376.17 × 21,021,635.97 - Step 4: Simplify right side
38,425,169.61x = 1,114,722,198,184,884.62 - Step 5: Solve for x
x = 1,114,722,198,184,884.62/38,425,169.61 - Step 6: Final answer
x = 29,010,208.92
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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.