Finding the Fourth Proportional to 18,964,960.38, 26,171,725.11 and 10,263,133.41
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Solution
The fourth proportional to 18,964,960.38, 26,171,725.11 and 10,263,133.41 is: 14,163,167.28
Step by Step Solution
- Step 1: Write the proportion equation
18,964,960.38 : 26,171,725.11 = 10,263,133.41 : x - Step 2: Convert to fraction form
18,964,960.38/26,171,725.11 = 10,263,133.41/x - Step 3: Cross multiply
18,964,960.38x = 26,171,725.11 × 10,263,133.41 - Step 4: Simplify right side
18,964,960.38x = 268,603,906,373,776.94 - Step 5: Solve for x
x = 268,603,906,373,776.94/18,964,960.38 - Step 6: Final answer
x = 14,163,167.28
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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.