Finding the Fourth Proportional to 8,424,861.84, 11,626,292.88 and 4,557,390.48
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Solution
The fourth proportional to 8,424,861.84, 11,626,292.88 and 4,557,390.48 is: 6,289,189.96
Step by Step Solution
- Step 1: Write the proportion equation
8,424,861.84 : 11,626,292.88 = 4,557,390.48 : x - Step 2: Convert to fraction form
8,424,861.84/11,626,292.88 = 4,557,390.48/x - Step 3: Cross multiply
8,424,861.84x = 11,626,292.88 × 4,557,390.48 - Step 4: Simplify right side
8,424,861.84x = 52,985,556,489,003.79 - Step 5: Solve for x
x = 52,985,556,489,003.79/8,424,861.84 - Step 6: Final answer
x = 6,289,189.96
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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.