Finding the Fourth Proportional to 38,805,424.80, 58,198,208.40 and 11,505,333.84
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Solution
The fourth proportional to 38,805,424.80, 58,198,208.40 and 11,505,333.84 is: 17,255,056.99
Step by Step Solution
- Step 1: Write the proportion equation
38,805,424.80 : 58,198,208.40 = 11,505,333.84 : x - Step 2: Convert to fraction form
38,805,424.80/58,198,208.40 = 11,505,333.84/x - Step 3: Cross multiply
38,805,424.80x = 58,198,208.40 × 11,505,333.84 - Step 4: Simplify right side
38,805,424.80x = 669,589,816,531,892.25 - Step 5: Solve for x
x = 669,589,816,531,892.25/38,805,424.80 - Step 6: Final answer
x = 17,255,056.99
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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.