Finding the Fourth Proportional to 32,076,218.90, 48,114,328.35 and 31,438,489.70
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Solution
The fourth proportional to 32,076,218.90, 48,114,328.35 and 31,438,489.70 is: 47,157,734.55
Step by Step Solution
- Step 1: Write the proportion equation
32,076,218.90 : 48,114,328.35 = 31,438,489.70 : x - Step 2: Convert to fraction form
32,076,218.90/48,114,328.35 = 31,438,489.70/x - Step 3: Cross multiply
32,076,218.90x = 48,114,328.35 × 31,438,489.70 - Step 4: Simplify right side
32,076,218.90x = 1,512,641,816,253,893 - Step 5: Solve for x
x = 1,512,641,816,253,893/32,076,218.90 - Step 6: Final answer
x = 47,157,734.55
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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.