Finding the Fourth Proportional to 16,169,169.40, 24,253,754.10 and 9,702,647.80
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Solution
The fourth proportional to 16,169,169.40, 24,253,754.10 and 9,702,647.80 is: 14,553,971.70
Step by Step Solution
- Step 1: Write the proportion equation
16,169,169.40 : 24,253,754.10 = 9,702,647.80 : x - Step 2: Convert to fraction form
16,169,169.40/24,253,754.10 = 9,702,647.80/x - Step 3: Cross multiply
16,169,169.40x = 24,253,754.10 × 9,702,647.80 - Step 4: Simplify right side
16,169,169.40x = 235,325,633,860,106 - Step 5: Solve for x
x = 235,325,633,860,106/16,169,169.40 - Step 6: Final answer
x = 14,553,971.70
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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.