Finding the Fourth Proportional to 18,152,693.70, 27,229,040.55 and 16,877,235.30
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Solution
The fourth proportional to 18,152,693.70, 27,229,040.55 and 16,877,235.30 is: 25,315,852.95
Step by Step Solution
- Step 1: Write the proportion equation
18,152,693.70 : 27,229,040.55 = 16,877,235.30 : x - Step 2: Convert to fraction form
18,152,693.70/27,229,040.55 = 16,877,235.30/x - Step 3: Cross multiply
18,152,693.70x = 27,229,040.55 × 16,877,235.30 - Step 4: Simplify right side
18,152,693.70x = 459,550,924,355,591.44 - Step 5: Solve for x
x = 459,550,924,355,591.44/18,152,693.70 - Step 6: Final answer
x = 25,315,852.95
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1.5x scale
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.