Finding the Fourth Proportional to 18,626,456.18, 27,939,692.00 and 8,379,346.95
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Solution
The fourth proportional to 18,626,456.18, 27,939,692.00 and 8,379,346.95 is: 12,569,023.90
Step by Step Solution
- Step 1: Write the proportion equation
18,626,456.18 : 27,939,692.00 = 8,379,346.95 : x - Step 2: Convert to fraction form
18,626,456.18/27,939,692.00 = 8,379,346.95/x - Step 3: Cross multiply
18,626,456.18x = 27,939,692.00 × 8,379,346.95 - Step 4: Simplify right side
18,626,456.18x = 234,116,372,965,087.78 - Step 5: Solve for x
x = 234,116,372,965,087.78/18,626,456.18 - Step 6: Final answer
x = 12,569,023.90
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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.