Finding the Fourth Proportional to 20,952,504.24, 28,914,246.36 and 11,659,915.32
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Solution
The fourth proportional to 20,952,504.24, 28,914,246.36 and 11,659,915.32 is: 16,090,566.56
Step by Step Solution
- Step 1: Write the proportion equation
20,952,504.24 : 28,914,246.36 = 11,659,915.32 : x - Step 2: Convert to fraction form
20,952,504.24/28,914,246.36 = 11,659,915.32/x - Step 3: Cross multiply
20,952,504.24x = 28,914,246.36 × 11,659,915.32 - Step 4: Simplify right side
20,952,504.24x = 337,137,664,099,218.25 - Step 5: Solve for x
x = 337,137,664,099,218.25/20,952,504.24 - Step 6: Final answer
x = 16,090,566.56
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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.