Finding the Fourth Proportional to 14,741,331.62, 20,343,057.14 and 8,214,817.86
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Solution
The fourth proportional to 14,741,331.62, 20,343,057.14 and 8,214,817.86 is: 11,336,459.52
Step by Step Solution
- Step 1: Write the proportion equation
14,741,331.62 : 20,343,057.14 = 8,214,817.86 : x - Step 2: Convert to fraction form
14,741,331.62/20,343,057.14 = 8,214,817.86/x - Step 3: Cross multiply
14,741,331.62x = 20,343,057.14 × 8,214,817.86 - Step 4: Simplify right side
14,741,331.62x = 167,114,509,120,672.53 - Step 5: Solve for x
x = 167,114,509,120,672.53/14,741,331.62 - Step 6: Final answer
x = 11,336,459.52
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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.