Finding the Fourth Proportional to 13,306,136.58, 18,361,714.50 and 7,504,571.52
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Solution
The fourth proportional to 13,306,136.58, 18,361,714.50 and 7,504,571.52 is: 10,355,883.46
Step by Step Solution
- Step 1: Write the proportion equation
13,306,136.58 : 18,361,714.50 = 7,504,571.52 : x - Step 2: Convert to fraction form
13,306,136.58/18,361,714.50 = 7,504,571.52/x - Step 3: Cross multiply
13,306,136.58x = 18,361,714.50 × 7,504,571.52 - Step 4: Simplify right side
13,306,136.58x = 137,796,799,695,071.03 - Step 5: Solve for x
x = 137,796,799,695,071.03/13,306,136.58 - Step 6: Final answer
x = 10,355,883.46
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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.