Finding the Fourth Proportional to 27,582,702.18, 41,345,664.84 and 12,237,218.70
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Solution
The fourth proportional to 27,582,702.18, 41,345,664.84 and 12,237,218.70 is: 18,343,233.37
Step by Step Solution
- Step 1: Write the proportion equation
27,582,702.18 : 41,345,664.84 = 12,237,218.70 : x - Step 2: Convert to fraction form
27,582,702.18/41,345,664.84 = 12,237,218.70/x - Step 3: Cross multiply
27,582,702.18x = 41,345,664.84 × 12,237,218.70 - Step 4: Simplify right side
27,582,702.18x = 505,955,942,943,980.50 - Step 5: Solve for x
x = 505,955,942,943,980.50/27,582,702.18 - Step 6: Final answer
x = 18,343,233.37
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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.