Finding the Fourth Proportional to 21,569,930.20, 32,354,895.30 and 16,751,531.80
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Solution
The fourth proportional to 21,569,930.20, 32,354,895.30 and 16,751,531.80 is: 25,127,297.70
Step by Step Solution
- Step 1: Write the proportion equation
21,569,930.20 : 32,354,895.30 = 16,751,531.80 : x - Step 2: Convert to fraction form
21,569,930.20/32,354,895.30 = 16,751,531.80/x - Step 3: Cross multiply
21,569,930.20x = 32,354,895.30 × 16,751,531.80 - Step 4: Simplify right side
21,569,930.20x = 541,994,057,503,620.56 - Step 5: Solve for x
x = 541,994,057,503,620.56/21,569,930.20 - Step 6: Final answer
x = 25,127,297.70
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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.