Finding the Fourth Proportional to 11,582,369.77, 15,983,664.09 and 6,355,412.25
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Solution
The fourth proportional to 11,582,369.77, 15,983,664.09 and 6,355,412.25 is: 8,770,465.51
Step by Step Solution
- Step 1: Write the proportion equation
11,582,369.77 : 15,983,664.09 = 6,355,412.25 : x - Step 2: Convert to fraction form
11,582,369.77/15,983,664.09 = 6,355,412.25/x - Step 3: Cross multiply
11,582,369.77x = 15,983,664.09 × 6,355,412.25 - Step 4: Simplify right side
11,582,369.77x = 101,582,774,608,561.73 - Step 5: Solve for x
x = 101,582,774,608,561.73/11,582,369.77 - Step 6: Final answer
x = 8,770,465.51
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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.