Finding the Fourth Proportional to 10,322,592.48, 15,482,887.14 and 3,134,188.65
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Solution
The fourth proportional to 10,322,592.48, 15,482,887.14 and 3,134,188.65 is: 4,700,978.87
Step by Step Solution
- Step 1: Write the proportion equation
10,322,592.48 : 15,482,887.14 = 3,134,188.65 : x - Step 2: Convert to fraction form
10,322,592.48/15,482,887.14 = 3,134,188.65/x - Step 3: Cross multiply
10,322,592.48x = 15,482,887.14 × 3,134,188.65 - Step 4: Simplify right side
10,322,592.48x = 48,526,289,143,418.96 - Step 5: Solve for x
x = 48,526,289,143,418.96/10,322,592.48 - Step 6: Final answer
x = 4,700,978.87
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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.