Finding the Fourth Proportional to 7,757,649.07, 11,628,489.31 and 3,441,731.85
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Solution
The fourth proportional to 7,757,649.07, 11,628,489.31 and 3,441,731.85 is: 5,159,055.49
Step by Step Solution
- Step 1: Write the proportion equation
7,757,649.07 : 11,628,489.31 = 3,441,731.85 : x - Step 2: Convert to fraction form
7,757,649.07/11,628,489.31 = 3,441,731.85/x - Step 3: Cross multiply
7,757,649.07x = 11,628,489.31 × 3,441,731.85 - Step 4: Simplify right side
7,757,649.07x = 40,022,142,017,007.20 - Step 5: Solve for x
x = 40,022,142,017,007.20/7,757,649.07 - Step 6: Final answer
x = 5,159,055.49
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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.