Finding the Fourth Proportional to 14,407,755.12, 19,883,176.52 and 7,881,235.61
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Solution
The fourth proportional to 14,407,755.12, 19,883,176.52 and 7,881,235.61 is: 10,876,364.67
Step by Step Solution
- Step 1: Write the proportion equation
14,407,755.12 : 19,883,176.52 = 7,881,235.61 : x - Step 2: Convert to fraction form
14,407,755.12/19,883,176.52 = 7,881,235.61/x - Step 3: Cross multiply
14,407,755.12x = 19,883,176.52 × 7,881,235.61 - Step 4: Simplify right side
14,407,755.12x = 156,703,998,690,517.84 - Step 5: Solve for x
x = 156,703,998,690,517.84/14,407,755.12 - Step 6: Final answer
x = 10,876,364.67
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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.