Finding the Fourth Proportional to 21,734,193.20, 32,580,553.80 and 8,083,684.40
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Solution
The fourth proportional to 21,734,193.20, 32,580,553.80 and 8,083,684.40 is: 12,117,814.18
Step by Step Solution
- Step 1: Write the proportion equation
21,734,193.20 : 32,580,553.80 = 8,083,684.40 : x - Step 2: Convert to fraction form
21,734,193.20/32,580,553.80 = 8,083,684.40/x - Step 3: Cross multiply
21,734,193.20x = 32,580,553.80 × 8,083,684.40 - Step 4: Simplify right side
21,734,193.20x = 263,370,914,496,420.75 - Step 5: Solve for x
x = 263,370,914,496,420.75/21,734,193.20 - Step 6: Final answer
x = 12,117,814.18
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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.