Finding the Fourth Proportional to 18,419,481.60, 27,623,243.76 and 6,120,141.84
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Solution
The fourth proportional to 18,419,481.60, 27,623,243.76 and 6,120,141.84 is: 9,178,226.27
Step by Step Solution
- Step 1: Write the proportion equation
18,419,481.60 : 27,623,243.76 = 6,120,141.84 : x - Step 2: Convert to fraction form
18,419,481.60/27,623,243.76 = 6,120,141.84/x - Step 3: Cross multiply
18,419,481.60x = 27,623,243.76 × 6,120,141.84 - Step 4: Simplify right side
18,419,481.60x = 169,058,169,892,094.94 - Step 5: Solve for x
x = 169,058,169,892,094.94/18,419,481.60 - Step 6: Final answer
x = 9,178,226.27
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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.