Finding the Fourth Proportional to 7,406,843.99, 11,109,143.12 and 2,015,914.50
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Solution
The fourth proportional to 7,406,843.99, 11,109,143.12 and 2,015,914.50 is: 3,023,566.14
Step by Step Solution
- Step 1: Write the proportion equation
7,406,843.99 : 11,109,143.12 = 2,015,914.50 : x - Step 2: Convert to fraction form
7,406,843.99/11,109,143.12 = 2,015,914.50/x - Step 3: Cross multiply
7,406,843.99x = 11,109,143.12 × 2,015,914.50 - Step 4: Simplify right side
7,406,843.99x = 22,395,082,688,103.67 - Step 5: Solve for x
x = 22,395,082,688,103.67/7,406,843.99 - Step 6: Final answer
x = 3,023,566.14
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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.