Finding the Fourth Proportional to 20,083,432.14, 27,714,553.92 and 11,382,408.90
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Solution
The fourth proportional to 20,083,432.14, 27,714,553.92 and 11,382,408.90 is: 15,707,394.18
Step by Step Solution
- Step 1: Write the proportion equation
20,083,432.14 : 27,714,553.92 = 11,382,408.90 : x - Step 2: Convert to fraction form
20,083,432.14/27,714,553.92 = 11,382,408.90/x - Step 3: Cross multiply
20,083,432.14x = 27,714,553.92 × 11,382,408.90 - Step 4: Simplify right side
20,083,432.14x = 315,458,385,198,537.94 - Step 5: Solve for x
x = 315,458,385,198,537.94/20,083,432.14 - Step 6: Final answer
x = 15,707,394.18
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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.