Finding the Fourth Proportional to 7,351,351.29, 11,027,718.45 and 2,163,964.23
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Solution
The fourth proportional to 7,351,351.29, 11,027,718.45 and 2,163,964.23 is: 3,246,149.90
Step by Step Solution
- Step 1: Write the proportion equation
7,351,351.29 : 11,027,718.45 = 2,163,964.23 : x - Step 2: Convert to fraction form
7,351,351.29/11,027,718.45 = 2,163,964.23/x - Step 3: Cross multiply
7,351,351.29x = 11,027,718.45 × 2,163,964.23 - Step 4: Simplify right side
7,351,351.29x = 23,863,588,264,311.04 - Step 5: Solve for x
x = 23,863,588,264,311.04/7,351,351.29 - Step 6: Final answer
x = 3,246,149.90
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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.