Finding the Fourth Proportional to 16,663,261.80, 24,994,892.70 and 4,695,997.80
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Solution
The fourth proportional to 16,663,261.80, 24,994,892.70 and 4,695,997.80 is: 7,043,996.70
Step by Step Solution
- Step 1: Write the proportion equation
16,663,261.80 : 24,994,892.70 = 4,695,997.80 : x - Step 2: Convert to fraction form
16,663,261.80/24,994,892.70 = 4,695,997.80/x - Step 3: Cross multiply
16,663,261.80x = 24,994,892.70 × 4,695,997.80 - Step 4: Simplify right side
16,663,261.80x = 117,375,961,130,436.05 - Step 5: Solve for x
x = 117,375,961,130,436.05/16,663,261.80 - Step 6: Final answer
x = 7,043,996.70
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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.