Finding the Fourth Proportional to 11,679,074.60, 16,000,064.92 and 11,242,419.08
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Solution
The fourth proportional to 11,679,074.60, 16,000,064.92 and 11,242,419.08 is: 15,401,856.85
Step by Step Solution
- Step 1: Write the proportion equation
11,679,074.60 : 16,000,064.92 = 11,242,419.08 : x - Step 2: Convert to fraction form
11,679,074.60/16,000,064.92 = 11,242,419.08/x - Step 3: Cross multiply
11,679,074.60x = 16,000,064.92 × 11,242,419.08 - Step 4: Simplify right side
11,679,074.60x = 179,879,435,137,846.69 - Step 5: Solve for x
x = 179,879,435,137,846.69/11,679,074.60 - Step 6: Final answer
x = 15,401,856.85
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.