Finding the Fourth Proportional to 21,766,161.22, 32,648,165.74 and 8,118,244.42
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Solution
The fourth proportional to 21,766,161.22, 32,648,165.74 and 8,118,244.42 is: 12,176,965.27
Step by Step Solution
- Step 1: Write the proportion equation
21,766,161.22 : 32,648,165.74 = 8,118,244.42 : x - Step 2: Convert to fraction form
21,766,161.22/32,648,165.74 = 8,118,244.42/x - Step 3: Cross multiply
21,766,161.22x = 32,648,165.74 × 8,118,244.42 - Step 4: Simplify right side
21,766,161.22x = 265,045,789,341,990.16 - Step 5: Solve for x
x = 265,045,789,341,990.16/21,766,161.22 - Step 6: Final answer
x = 12,176,965.27
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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.