Finding the Fourth Proportional to 18,220,250.12, 27,330,426.89 and 5,267,455.11
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Solution
The fourth proportional to 18,220,250.12, 27,330,426.89 and 5,267,455.11 is: 7,901,197.62
Step by Step Solution
- Step 1: Write the proportion equation
18,220,250.12 : 27,330,426.89 = 5,267,455.11 : x - Step 2: Convert to fraction form
18,220,250.12/27,330,426.89 = 5,267,455.11/x - Step 3: Cross multiply
18,220,250.12x = 27,330,426.89 × 5,267,455.11 - Step 4: Simplify right side
18,220,250.12x = 143,961,796,753,874.66 - Step 5: Solve for x
x = 143,961,796,753,874.66/18,220,250.12 - Step 6: Final answer
x = 7,901,197.62
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1.5x scale
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.