Finding the Fourth Proportional to 14,732,615.44, 20,329,964.26 and 8,116,914.92
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Solution
The fourth proportional to 14,732,615.44, 20,329,964.26 and 8,116,914.92 is: 11,200,766.82
Step by Step Solution
- Step 1: Write the proportion equation
14,732,615.44 : 20,329,964.26 = 8,116,914.92 : x - Step 2: Convert to fraction form
14,732,615.44/20,329,964.26 = 8,116,914.92/x - Step 3: Cross multiply
14,732,615.44x = 20,329,964.26 × 8,116,914.92 - Step 4: Simplify right side
14,732,615.44x = 165,016,590,225,060.78 - Step 5: Solve for x
x = 165,016,590,225,060.78/14,732,615.44 - Step 6: Final answer
x = 11,200,766.82
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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.