Finding the Fourth Proportional to 14,892,381.96, 20,551,475.70 and 8,453,853.96
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Solution
The fourth proportional to 14,892,381.96, 20,551,475.70 and 8,453,853.96 is: 11,666,311.99
Step by Step Solution
- Step 1: Write the proportion equation
14,892,381.96 : 20,551,475.70 = 8,453,853.96 : x - Step 2: Convert to fraction form
14,892,381.96/20,551,475.70 = 8,453,853.96/x - Step 3: Cross multiply
14,892,381.96x = 20,551,475.70 × 8,453,853.96 - Step 4: Simplify right side
14,892,381.96x = 173,739,174,230,288.78 - Step 5: Solve for x
x = 173,739,174,230,288.78/14,892,381.96 - Step 6: Final answer
x = 11,666,311.99
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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.