Finding the Fourth Proportional to 33,178,374.80, 49,760,093.40 and 11,903,238.80
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Solution
The fourth proportional to 33,178,374.80, 49,760,093.40 and 11,903,238.80 is: 17,852,178.66
Step by Step Solution
- Step 1: Write the proportion equation
33,178,374.80 : 49,760,093.40 = 11,903,238.80 : x - Step 2: Convert to fraction form
33,178,374.80/49,760,093.40 = 11,903,238.80/x - Step 3: Cross multiply
33,178,374.80x = 49,760,093.40 × 11,903,238.80 - Step 4: Simplify right side
33,178,374.80x = 592,306,274,450,504 - Step 5: Solve for x
x = 592,306,274,450,504/33,178,374.80 - Step 6: Final answer
x = 17,852,178.66
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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.