Finding the Fourth Proportional to 14,984,163.05, 20,678,145.08 and 8,108,645.18
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Solution
The fourth proportional to 14,984,163.05, 20,678,145.08 and 8,108,645.18 is: 11,189,930.38
Step by Step Solution
- Step 1: Write the proportion equation
14,984,163.05 : 20,678,145.08 = 8,108,645.18 : x - Step 2: Convert to fraction form
14,984,163.05/20,678,145.08 = 8,108,645.18/x - Step 3: Cross multiply
14,984,163.05x = 20,678,145.08 × 8,108,645.18 - Step 4: Simplify right side
14,984,163.05x = 167,671,741,290,348.75 - Step 5: Solve for x
x = 167,671,741,290,348.75/14,984,163.05 - Step 6: Final answer
x = 11,189,930.38
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1.5x scale
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.