Finding the Fourth Proportional to 14,776,341.63, 20,390,494.68 and 8,250,384.26
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Solution
The fourth proportional to 14,776,341.63, 20,390,494.68 and 8,250,384.26 is: 11,385,051.90
Step by Step Solution
- Step 1: Write the proportion equation
14,776,341.63 : 20,390,494.68 = 8,250,384.26 : x - Step 2: Convert to fraction form
14,776,341.63/20,390,494.68 = 8,250,384.26/x - Step 3: Cross multiply
14,776,341.63x = 20,390,494.68 × 8,250,384.26 - Step 4: Simplify right side
14,776,341.63x = 168,229,416,361,485.72 - Step 5: Solve for x
x = 168,229,416,361,485.72/14,776,341.63 - Step 6: Final answer
x = 11,385,051.90
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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.