Finding the Fourth Proportional to 13,471,612.05, 18,590,832.07 and 7,276,658.73
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Solution
The fourth proportional to 13,471,612.05, 18,590,832.07 and 7,276,658.73 is: 10,041,793.07
Step by Step Solution
- Step 1: Write the proportion equation
13,471,612.05 : 18,590,832.07 = 7,276,658.73 : x - Step 2: Convert to fraction form
13,471,612.05/18,590,832.07 = 7,276,658.73/x - Step 3: Cross multiply
13,471,612.05x = 18,590,832.07 × 7,276,658.73 - Step 4: Simplify right side
13,471,612.05x = 135,279,140,480,129.48 - Step 5: Solve for x
x = 135,279,140,480,129.48/13,471,612.05 - Step 6: Final answer
x = 10,041,793.07
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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.