Finding the Fourth Proportional to 16,394,423.70, 24,591,635.55 and 7,872,705.30
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Solution
The fourth proportional to 16,394,423.70, 24,591,635.55 and 7,872,705.30 is: 11,809,057.95
Step by Step Solution
- Step 1: Write the proportion equation
16,394,423.70 : 24,591,635.55 = 7,872,705.30 : x - Step 2: Convert to fraction form
16,394,423.70/24,591,635.55 = 7,872,705.30/x - Step 3: Cross multiply
16,394,423.70x = 24,591,635.55 × 7,872,705.30 - Step 4: Simplify right side
16,394,423.70x = 193,602,699,530,153.41 - Step 5: Solve for x
x = 193,602,699,530,153.41/16,394,423.70 - Step 6: Final answer
x = 11,809,057.95
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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.