Finding the Fourth Proportional to 47,728,382.48, 71,563,274.34 and 18,548,149.98
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Solution
The fourth proportional to 47,728,382.48, 71,563,274.34 and 18,548,149.98 is: 27,810,838.68
Step by Step Solution
- Step 1: Write the proportion equation
47,728,382.48 : 71,563,274.34 = 18,548,149.98 : x - Step 2: Convert to fraction form
47,728,382.48/71,563,274.34 = 18,548,149.98/x - Step 3: Cross multiply
47,728,382.48x = 71,563,274.34 × 18,548,149.98 - Step 4: Simplify right side
47,728,382.48x = 1,327,366,345,518,205.50 - Step 5: Solve for x
x = 1,327,366,345,518,205.50/47,728,382.48 - Step 6: Final answer
x = 27,810,838.68
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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.