Finding the Fourth Proportional to 26,694,464.68, 36,840,249.66 and 15,092,138.08
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Solution
The fourth proportional to 26,694,464.68, 36,840,249.66 and 15,092,138.08 is: 20,828,218.19
Step by Step Solution
- Step 1: Write the proportion equation
26,694,464.68 : 36,840,249.66 = 15,092,138.08 : x - Step 2: Convert to fraction form
26,694,464.68/36,840,249.66 = 15,092,138.08/x - Step 3: Cross multiply
26,694,464.68x = 36,840,249.66 × 15,092,138.08 - Step 4: Simplify right side
26,694,464.68x = 555,998,134,770,393 - Step 5: Solve for x
x = 555,998,134,770,393/26,694,464.68 - Step 6: Final answer
x = 20,828,218.19
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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.