Finding the Fourth Proportional to 21,447,772.80, 32,194,578.88 and 8,676,625.92
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Solution
The fourth proportional to 21,447,772.80, 32,194,578.88 and 8,676,625.92 is: 13,024,210.96
Step by Step Solution
- Step 1: Write the proportion equation
21,447,772.80 : 32,194,578.88 = 8,676,625.92 : x - Step 2: Convert to fraction form
21,447,772.80/32,194,578.88 = 8,676,625.92/x - Step 3: Cross multiply
21,447,772.80x = 32,194,578.88 × 8,676,625.92 - Step 4: Simplify right side
21,447,772.80x = 279,340,317,593,692.56 - Step 5: Solve for x
x = 279,340,317,593,692.56/21,447,772.80 - Step 6: Final answer
x = 13,024,210.96
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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.