Finding the Fourth Proportional to 23,120,385.48, 34,685,447.94 and 8,743,134.96
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Solution
The fourth proportional to 23,120,385.48, 34,685,447.94 and 8,743,134.96 is: 13,116,543.96
Step by Step Solution
- Step 1: Write the proportion equation
23,120,385.48 : 34,685,447.94 = 8,743,134.96 : x - Step 2: Convert to fraction form
23,120,385.48/34,685,447.94 = 8,743,134.96/x - Step 3: Cross multiply
23,120,385.48x = 34,685,447.94 × 8,743,134.96 - Step 4: Simplify right side
23,120,385.48x = 303,259,552,487,474 - Step 5: Solve for x
x = 303,259,552,487,474/23,120,385.48 - Step 6: Final answer
x = 13,116,543.96
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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.