Finding the Fourth Proportional to 7,998,423.80, 11,997,635.70 and 2,014,791.80
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Solution
The fourth proportional to 7,998,423.80, 11,997,635.70 and 2,014,791.80 is: 3,022,187.70
Step by Step Solution
- Step 1: Write the proportion equation
7,998,423.80 : 11,997,635.70 = 2,014,791.80 : x - Step 2: Convert to fraction form
7,998,423.80/11,997,635.70 = 2,014,791.80/x - Step 3: Cross multiply
7,998,423.80x = 11,997,635.70 × 2,014,791.80 - Step 4: Simplify right side
7,998,423.80x = 24,172,738,027,747.26 - Step 5: Solve for x
x = 24,172,738,027,747.26/7,998,423.80 - Step 6: Final answer
x = 3,022,187.70
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Similar ratio
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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.