Finding the Fourth Proportional to 21,369,618.92, 32,056,409.10 and 7,726,177.64
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Solution
The fourth proportional to 21,369,618.92, 32,056,409.10 and 7,726,177.64 is: 11,589,982.59
Step by Step Solution
- Step 1: Write the proportion equation
21,369,618.92 : 32,056,409.10 = 7,726,177.64 : x - Step 2: Convert to fraction form
21,369,618.92/32,056,409.10 = 7,726,177.64/x - Step 3: Cross multiply
21,369,618.92x = 32,056,409.10 × 7,726,177.64 - Step 4: Simplify right side
21,369,618.92x = 247,673,511,207,112.53 - Step 5: Solve for x
x = 247,673,511,207,112.53/21,369,618.92 - Step 6: Final answer
x = 11,589,982.59
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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.