Finding the Fourth Proportional to 11,744,852.20, 17,617,278.30 and 8,343,629.80
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Solution
The fourth proportional to 11,744,852.20, 17,617,278.30 and 8,343,629.80 is: 12,515,444.70
Step by Step Solution
- Step 1: Write the proportion equation
11,744,852.20 : 17,617,278.30 = 8,343,629.80 : x - Step 2: Convert to fraction form
11,744,852.20/17,617,278.30 = 8,343,629.80/x - Step 3: Cross multiply
11,744,852.20x = 17,617,278.30 × 8,343,629.80 - Step 4: Simplify right side
11,744,852.20x = 146,992,048,218,773.34 - Step 5: Solve for x
x = 146,992,048,218,773.34/11,744,852.20 - Step 6: Final answer
x = 12,515,444.70
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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.