Finding the Fourth Proportional to 16,186,904.12, 24,236,847.07 and 12,330,355.11
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Solution
The fourth proportional to 16,186,904.12, 24,236,847.07 and 12,330,355.11 is: 18,462,389.64
Step by Step Solution
- Step 1: Write the proportion equation
16,186,904.12 : 24,236,847.07 = 12,330,355.11 : x - Step 2: Convert to fraction form
16,186,904.12/24,236,847.07 = 12,330,355.11/x - Step 3: Cross multiply
16,186,904.12x = 24,236,847.07 × 12,330,355.11 - Step 4: Simplify right side
16,186,904.12x = 298,848,930,998,148.94 - Step 5: Solve for x
x = 298,848,930,998,148.94/16,186,904.12 - Step 6: Final answer
x = 18,462,389.64
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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.