Finding the Fourth Proportional to 13,471,608.24, 18,590,826.84 and 7,276,654.92
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Solution
The fourth proportional to 13,471,608.24, 18,590,826.84 and 7,276,654.92 is: 10,041,787.82
Step by Step Solution
- Step 1: Write the proportion equation
13,471,608.24 : 18,590,826.84 = 7,276,654.92 : x - Step 2: Convert to fraction form
13,471,608.24/18,590,826.84 = 7,276,654.92/x - Step 3: Cross multiply
13,471,608.24x = 18,590,826.84 × 7,276,654.92 - Step 4: Simplify right side
13,471,608.24x = 135,279,031,592,154.05 - Step 5: Solve for x
x = 135,279,031,592,154.05/13,471,608.24 - Step 6: Final answer
x = 10,041,787.82
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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.