Finding the Fourth Proportional to 18,101,301.20, 27,144,734.70 and 5,967,387.80
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Solution
The fourth proportional to 18,101,301.20, 27,144,734.70 and 5,967,387.80 is: 8,948,702.47
Step by Step Solution
- Step 1: Write the proportion equation
18,101,301.20 : 27,144,734.70 = 5,967,387.80 : x - Step 2: Convert to fraction form
18,101,301.20/27,144,734.70 = 5,967,387.80/x - Step 3: Cross multiply
18,101,301.20x = 27,144,734.70 × 5,967,387.80 - Step 4: Simplify right side
18,101,301.20x = 161,983,158,683,016.66 - Step 5: Solve for x
x = 161,983,158,683,016.66/18,101,301.20 - Step 6: Final answer
x = 8,948,702.47
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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.