Finding the Fourth Proportional to 11,995,571.12, 16,536,670.56 and 8,551,833.44
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Solution
The fourth proportional to 11,995,571.12, 16,536,670.56 and 8,551,833.44 is: 11,789,255.45
Step by Step Solution
- Step 1: Write the proportion equation
11,995,571.12 : 16,536,670.56 = 8,551,833.44 : x - Step 2: Convert to fraction form
11,995,571.12/16,536,670.56 = 8,551,833.44/x - Step 3: Cross multiply
11,995,571.12x = 16,536,670.56 × 8,551,833.44 - Step 4: Simplify right side
11,995,571.12x = 141,418,852,198,588.19 - Step 5: Solve for x
x = 141,418,852,198,588.19/11,995,571.12 - Step 6: Final answer
x = 11,789,255.45
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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.