Finding the Fourth Proportional to 11,917,554.52, 17,876,497.85 and 3,397,890.98
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Solution
The fourth proportional to 11,917,554.52, 17,876,497.85 and 3,397,890.98 is: 5,096,883.82
Step by Step Solution
- Step 1: Write the proportion equation
11,917,554.52 : 17,876,497.85 = 3,397,890.98 : x - Step 2: Convert to fraction form
11,917,554.52/17,876,497.85 = 3,397,890.98/x - Step 3: Cross multiply
11,917,554.52x = 17,876,497.85 × 3,397,890.98 - Step 4: Simplify right side
11,917,554.52x = 60,742,390,781,514.94 - Step 5: Solve for x
x = 60,742,390,781,514.94/11,917,554.52 - Step 6: Final answer
x = 5,096,883.82
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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.