Finding the Fourth Proportional to 8,743,638.96, 12,062,103.66 and 5,686,737.84
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Solution
The fourth proportional to 8,743,638.96, 12,062,103.66 and 5,686,737.84 is: 7,845,019.86
Step by Step Solution
- Step 1: Write the proportion equation
8,743,638.96 : 12,062,103.66 = 5,686,737.84 : x - Step 2: Convert to fraction form
8,743,638.96/12,062,103.66 = 5,686,737.84/x - Step 3: Cross multiply
8,743,638.96x = 12,062,103.66 × 5,686,737.84 - Step 4: Simplify right side
8,743,638.96x = 68,594,021,313,324.49 - Step 5: Solve for x
x = 68,594,021,313,324.49/8,743,638.96 - Step 6: Final answer
x = 7,845,019.86
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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.