Finding the Fourth Proportional to 18,893,692.40, 26,072,456.74 and 10,521,493.99
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Solution
The fourth proportional to 18,893,692.40, 26,072,456.74 and 10,521,493.99 is: 14,519,194.61
Step by Step Solution
- Step 1: Write the proportion equation
18,893,692.40 : 26,072,456.74 = 10,521,493.99 : x - Step 2: Convert to fraction form
18,893,692.40/26,072,456.74 = 10,521,493.99/x - Step 3: Cross multiply
18,893,692.40x = 26,072,456.74 × 10,521,493.99 - Step 4: Simplify right side
18,893,692.40x = 274,321,196,802,960.16 - Step 5: Solve for x
x = 274,321,196,802,960.16/18,893,692.40 - Step 6: Final answer
x = 14,519,194.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.