Finding the Fourth Proportional to 54,322,545.42, 81,483,840.18 and 13,382,780.94
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Solution
The fourth proportional to 54,322,545.42, 81,483,840.18 and 13,382,780.94 is: 20,074,176.84
Step by Step Solution
- Step 1: Write the proportion equation
54,322,545.42 : 81,483,840.18 = 13,382,780.94 : x - Step 2: Convert to fraction form
54,322,545.42/81,483,840.18 = 13,382,780.94/x - Step 3: Cross multiply
54,322,545.42x = 81,483,840.18 × 13,382,780.94 - Step 4: Simplify right side
54,322,545.42x = 1,090,480,383,278,910.25 - Step 5: Solve for x
x = 1,090,480,383,278,910.25/54,322,545.42 - Step 6: Final answer
x = 20,074,176.84
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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.