Finding the Fourth Proportional to 8,236,212.26, 12,355,870.51 and 3,120,174.50
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Solution
The fourth proportional to 8,236,212.26, 12,355,870.51 and 3,120,174.50 is: 4,680,849.75
Step by Step Solution
- Step 1: Write the proportion equation
8,236,212.26 : 12,355,870.51 = 3,120,174.50 : x - Step 2: Convert to fraction form
8,236,212.26/12,355,870.51 = 3,120,174.50/x - Step 3: Cross multiply
8,236,212.26x = 12,355,870.51 × 3,120,174.50 - Step 4: Simplify right side
8,236,212.26x = 38,552,472,090,603.99 - Step 5: Solve for x
x = 38,552,472,090,603.99/8,236,212.26 - Step 6: Final answer
x = 4,680,849.75
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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.