Finding the Fourth Proportional to 14,765,613.92, 20,373,504.66 and 8,484,926.84
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Solution
The fourth proportional to 14,765,613.92, 20,373,504.66 and 8,484,926.84 is: 11,707,450.67
Step by Step Solution
- Step 1: Write the proportion equation
14,765,613.92 : 20,373,504.66 = 8,484,926.84 : x - Step 2: Convert to fraction form
14,765,613.92/20,373,504.66 = 8,484,926.84/x - Step 3: Cross multiply
14,765,613.92x = 20,373,504.66 × 8,484,926.84 - Step 4: Simplify right side
14,765,613.92x = 172,867,696,514,499.06 - Step 5: Solve for x
x = 172,867,696,514,499.06/14,765,613.92 - Step 6: Final answer
x = 11,707,450.67
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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.