Finding the Fourth Proportional to 11,467,159.74, 15,824,682.69 and 6,310,521.30
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Solution
The fourth proportional to 11,467,159.74, 15,824,682.69 and 6,310,521.30 is: 8,708,520.63
Step by Step Solution
- Step 1: Write the proportion equation
11,467,159.74 : 15,824,682.69 = 6,310,521.30 : x - Step 2: Convert to fraction form
11,467,159.74/15,824,682.69 = 6,310,521.30/x - Step 3: Cross multiply
11,467,159.74x = 15,824,682.69 × 6,310,521.30 - Step 4: Simplify right side
11,467,159.74x = 99,861,997,180,986.30 - Step 5: Solve for x
x = 99,861,997,180,986.30/11,467,159.74 - Step 6: Final answer
x = 8,708,520.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.