Finding the Fourth Proportional to 18,005,997.75, 24,848,278.11 and 9,857,235.75
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Solution
The fourth proportional to 18,005,997.75, 24,848,278.11 and 9,857,235.75 is: 13,602,986.00
Step by Step Solution
- Step 1: Write the proportion equation
18,005,997.75 : 24,848,278.11 = 9,857,235.75 : x - Step 2: Convert to fraction form
18,005,997.75/24,848,278.11 = 9,857,235.75/x - Step 3: Cross multiply
18,005,997.75x = 24,848,278.11 × 9,857,235.75 - Step 4: Simplify right side
18,005,997.75x = 244,935,335,311,834.44 - Step 5: Solve for x
x = 244,935,335,311,834.44/18,005,997.75 - Step 6: Final answer
x = 13,602,986.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.