Finding the Fourth Proportional to 18,629,747.96, 27,943,021.04 and 11,341,315.98
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Solution
The fourth proportional to 18,629,747.96, 27,943,021.04 and 11,341,315.98 is: 17,010,999.38
Step by Step Solution
- Step 1: Write the proportion equation
18,629,747.96 : 27,943,021.04 = 11,341,315.98 : x - Step 2: Convert to fraction form
18,629,747.96/27,943,021.04 = 11,341,315.98/x - Step 3: Cross multiply
18,629,747.96x = 27,943,021.04 × 11,341,315.98 - Step 4: Simplify right side
18,629,747.96x = 316,910,630,993,721.62 - Step 5: Solve for x
x = 316,910,630,993,721.62/18,629,747.96 - Step 6: Final answer
x = 17,010,999.38
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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.