Finding the Fourth Proportional to 52,596,416.40, 78,857,299.80 and 20,235,814.80
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Solution
The fourth proportional to 52,596,416.40, 78,857,299.80 and 20,235,814.80 is: 30,339,361.95
Step by Step Solution
- Step 1: Write the proportion equation
52,596,416.40 : 78,857,299.80 = 20,235,814.80 : x - Step 2: Convert to fraction form
52,596,416.40/78,857,299.80 = 20,235,814.80/x - Step 3: Cross multiply
52,596,416.40x = 78,857,299.80 × 20,235,814.80 - Step 4: Simplify right side
52,596,416.40x = 1,595,741,714,380,877 - Step 5: Solve for x
x = 1,595,741,714,380,877/52,596,416.40 - Step 6: Final answer
x = 30,339,361.95
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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.