Finding the Fourth Proportional to 21,857,852.13, 32,788,352.83 and 8,394,680.13
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Solution
The fourth proportional to 21,857,852.13, 32,788,352.83 and 8,394,680.13 is: 12,592,624.95
Step by Step Solution
- Step 1: Write the proportion equation
21,857,852.13 : 32,788,352.83 = 8,394,680.13 : x - Step 2: Convert to fraction form
21,857,852.13/32,788,352.83 = 8,394,680.13/x - Step 3: Cross multiply
21,857,852.13x = 32,788,352.83 × 8,394,680.13 - Step 4: Simplify right side
21,857,852.13x = 275,247,733,997,430.28 - Step 5: Solve for x
x = 275,247,733,997,430.28/21,857,852.13 - Step 6: Final answer
x = 12,592,624.95
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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.