Finding the Fourth Proportional to 35,491,216.92, 48,978,026.97 and 19,193,692.92
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Solution
The fourth proportional to 35,491,216.92, 48,978,026.97 and 19,193,692.92 is: 26,487,376.07
Step by Step Solution
- Step 1: Write the proportion equation
35,491,216.92 : 48,978,026.97 = 19,193,692.92 : x - Step 2: Convert to fraction form
35,491,216.92/48,978,026.97 = 19,193,692.92/x - Step 3: Cross multiply
35,491,216.92x = 48,978,026.97 × 19,193,692.92 - Step 4: Simplify right side
35,491,216.92x = 940,069,209,671,471.88 - Step 5: Solve for x
x = 940,069,209,671,471.88/35,491,216.92 - Step 6: Final answer
x = 26,487,376.07
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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.