Finding the Fourth Proportional to 7,757,009.19, 11,631,620.93 and 4,519,593.09
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Solution
The fourth proportional to 7,757,009.19, 11,631,620.93 and 4,519,593.09 is: 6,777,121.47
Step by Step Solution
- Step 1: Write the proportion equation
7,757,009.19 : 11,631,620.93 = 4,519,593.09 : x - Step 2: Convert to fraction form
7,757,009.19/11,631,620.93 = 4,519,593.09/x - Step 3: Cross multiply
7,757,009.19x = 11,631,620.93 × 4,519,593.09 - Step 4: Simplify right side
7,757,009.19x = 52,570,193,558,129.41 - Step 5: Solve for x
x = 52,570,193,558,129.41/7,757,009.19 - Step 6: Final answer
x = 6,777,121.47
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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.