Finding the Fourth Proportional to 23,421,805.18, 32,318,234.78 and 14,713,810.96
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Solution
The fourth proportional to 23,421,805.18, 32,318,234.78 and 14,713,810.96 is: 20,302,636.52
Step by Step Solution
- Step 1: Write the proportion equation
23,421,805.18 : 32,318,234.78 = 14,713,810.96 : x - Step 2: Convert to fraction form
23,421,805.18/32,318,234.78 = 14,713,810.96/x - Step 3: Cross multiply
23,421,805.18x = 32,318,234.78 × 14,713,810.96 - Step 4: Simplify right side
23,421,805.18x = 475,524,397,113,817.25 - Step 5: Solve for x
x = 475,524,397,113,817.25/23,421,805.18 - Step 6: Final answer
x = 20,302,636.52
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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.