Finding the Fourth Proportional to 8,086,450.70, 12,129,676.05 and 7,425,101.90
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Solution
The fourth proportional to 8,086,450.70, 12,129,676.05 and 7,425,101.90 is: 11,137,652.85
Step by Step Solution
- Step 1: Write the proportion equation
8,086,450.70 : 12,129,676.05 = 7,425,101.90 : x - Step 2: Convert to fraction form
8,086,450.70/12,129,676.05 = 7,425,101.90/x - Step 3: Cross multiply
8,086,450.70x = 12,129,676.05 × 7,425,101.90 - Step 4: Simplify right side
8,086,450.70x = 90,064,080,685,239.50 - Step 5: Solve for x
x = 90,064,080,685,239.50/8,086,450.70 - Step 6: Final answer
x = 11,137,652.85
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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.