Finding the Fourth Proportional to 18,058,586.49, 27,091,894.10 and 8,468,853.93
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Solution
The fourth proportional to 18,058,586.49, 27,091,894.10 and 8,468,853.93 is: 12,705,163.49
Step by Step Solution
- Step 1: Write the proportion equation
18,058,586.49 : 27,091,894.10 = 8,468,853.93 : x - Step 2: Convert to fraction form
18,058,586.49/27,091,894.10 = 8,468,853.93/x - Step 3: Cross multiply
18,058,586.49x = 27,091,894.10 × 8,468,853.93 - Step 4: Simplify right side
18,058,586.49x = 229,437,293,777,584.53 - Step 5: Solve for x
x = 229,437,293,777,584.53/18,058,586.49 - Step 6: Final answer
x = 12,705,163.49
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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.