Finding the Fourth Proportional to 35,164,552.78, 48,511,624.86 and 21,218,129.14
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Solution
The fourth proportional to 35,164,552.78, 48,511,624.86 and 21,218,129.14 is: 29,271,690.94
Step by Step Solution
- Step 1: Write the proportion equation
35,164,552.78 : 48,511,624.86 = 21,218,129.14 : x - Step 2: Convert to fraction form
35,164,552.78/48,511,624.86 = 21,218,129.14/x - Step 3: Cross multiply
35,164,552.78x = 48,511,624.86 × 21,218,129.14 - Step 4: Simplify right side
35,164,552.78x = 1,029,325,921,070,714.38 - Step 5: Solve for x
x = 1,029,325,921,070,714.38/35,164,552.78 - Step 6: Final answer
x = 29,271,690.94
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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.