Finding the Fourth Proportional to 7,436,189.21, 11,154,345.98 and 2,045,135.34
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Solution
The fourth proportional to 7,436,189.21, 11,154,345.98 and 2,045,135.34 is: 3,067,720.11
Step by Step Solution
- Step 1: Write the proportion equation
7,436,189.21 : 11,154,345.98 = 2,045,135.34 : x - Step 2: Convert to fraction form
7,436,189.21/11,154,345.98 = 2,045,135.34/x - Step 3: Cross multiply
7,436,189.21x = 11,154,345.98 × 2,045,135.34 - Step 4: Simplify right side
7,436,189.21x = 22,812,147,148,059.26 - Step 5: Solve for x
x = 22,812,147,148,059.26/7,436,189.21 - Step 6: Final answer
x = 3,067,720.11
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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.