Finding the Fourth Proportional to 16,273,832.40, 24,438,742.20 and 11,514,920.40
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Solution
The fourth proportional to 16,273,832.40, 24,438,742.20 and 11,514,920.40 is: 17,292,188.11
Step by Step Solution
- Step 1: Write the proportion equation
16,273,832.40 : 24,438,742.20 = 11,514,920.40 : x - Step 2: Convert to fraction form
16,273,832.40/24,438,742.20 = 11,514,920.40/x - Step 3: Cross multiply
16,273,832.40x = 24,438,742.20 × 11,514,920.40 - Step 4: Simplify right side
16,273,832.40x = 281,410,171,109,120.88 - Step 5: Solve for x
x = 281,410,171,109,120.88/16,273,832.40 - Step 6: Final answer
x = 17,292,188.11
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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.