Finding the Fourth Proportional to 12,083,877.51, 18,125,324.68 and 2,985,745.98
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Solution
The fourth proportional to 12,083,877.51, 18,125,324.68 and 2,985,745.98 is: 4,478,497.51
Step by Step Solution
- Step 1: Write the proportion equation
12,083,877.51 : 18,125,324.68 = 2,985,745.98 : x - Step 2: Convert to fraction form
12,083,877.51/18,125,324.68 = 2,985,745.98/x - Step 3: Cross multiply
12,083,877.51x = 18,125,324.68 × 2,985,745.98 - Step 4: Simplify right side
12,083,877.51x = 54,117,615,299,504.79 - Step 5: Solve for x
x = 54,117,615,299,504.79/12,083,877.51 - Step 6: Final answer
x = 4,478,497.51
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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.