Finding the Fourth Proportional to 11,053,976.81, 15,254,548.52 and 6,410,514.97
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Solution
The fourth proportional to 11,053,976.81, 15,254,548.52 and 6,410,514.97 is: 8,846,545.75
Step by Step Solution
- Step 1: Write the proportion equation
11,053,976.81 : 15,254,548.52 = 6,410,514.97 : x - Step 2: Convert to fraction form
11,053,976.81/15,254,548.52 = 6,410,514.97/x - Step 3: Cross multiply
11,053,976.81x = 15,254,548.52 × 6,410,514.97 - Step 4: Simplify right side
11,053,976.81x = 97,789,511,539,726.03 - Step 5: Solve for x
x = 97,789,511,539,726.03/11,053,976.81 - Step 6: Final answer
x = 8,846,545.75
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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.