Finding the Fourth Proportional to 28,761,832.80, 43,106,007.60 and 11,703,232.80
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Solution
The fourth proportional to 28,761,832.80, 43,106,007.60 and 11,703,232.80 is: 17,539,898.99
Step by Step Solution
- Step 1: Write the proportion equation
28,761,832.80 : 43,106,007.60 = 11,703,232.80 : x - Step 2: Convert to fraction form
28,761,832.80/43,106,007.60 = 11,703,232.80/x - Step 3: Cross multiply
28,761,832.80x = 43,106,007.60 × 11,703,232.80 - Step 4: Simplify right side
28,761,832.80x = 504,479,642,021,369.31 - Step 5: Solve for x
x = 504,479,642,021,369.31/28,761,832.80 - Step 6: Final answer
x = 17,539,898.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.