Finding the Fourth Proportional to 25,449,212.68, 38,169,077.52 and 8,177,713.12
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Solution
The fourth proportional to 25,449,212.68, 38,169,077.52 and 8,177,713.12 is: 12,265,046.07
Step by Step Solution
- Step 1: Write the proportion equation
25,449,212.68 : 38,169,077.52 = 8,177,713.12 : x - Step 2: Convert to fraction form
25,449,212.68/38,169,077.52 = 8,177,713.12/x - Step 3: Cross multiply
25,449,212.68x = 38,169,077.52 × 8,177,713.12 - Step 4: Simplify right side
25,449,212.68x = 312,135,766,013,601.06 - Step 5: Solve for x
x = 312,135,766,013,601.06/25,449,212.68 - Step 6: Final answer
x = 12,265,046.07
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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.