Finding the Fourth Proportional to 18,362,968.20, 27,543,285.90 and 6,232,408.20
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Solution
The fourth proportional to 18,362,968.20, 27,543,285.90 and 6,232,408.20 is: 9,348,216.42
Step by Step Solution
- Step 1: Write the proportion equation
18,362,968.20 : 27,543,285.90 = 6,232,408.20 : x - Step 2: Convert to fraction form
18,362,968.20/27,543,285.90 = 6,232,408.20/x - Step 3: Cross multiply
18,362,968.20x = 27,543,285.90 × 6,232,408.20 - Step 4: Simplify right side
18,362,968.20x = 171,661,000,898,104.38 - Step 5: Solve for x
x = 171,661,000,898,104.38/18,362,968.20 - Step 6: Final answer
x = 9,348,216.42
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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.