Finding the Fourth Proportional to 27,989,596.19, 41,985,058.58 and 7,519,341.80
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Solution
The fourth proportional to 27,989,596.19, 41,985,058.58 and 7,519,341.80 is: 11,279,191.16
Step by Step Solution
- Step 1: Write the proportion equation
27,989,596.19 : 41,985,058.58 = 7,519,341.80 : x - Step 2: Convert to fraction form
27,989,596.19/41,985,058.58 = 7,519,341.80/x - Step 3: Cross multiply
27,989,596.19x = 41,985,058.58 × 7,519,341.80 - Step 4: Simplify right side
27,989,596.19x = 315,700,005,956,042.62 - Step 5: Solve for x
x = 315,700,005,956,042.62/27,989,596.19 - Step 6: Final answer
x = 11,279,191.16
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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.