Finding the Fourth Proportional to 11,305,098.81, 15,600,586.11 and 6,148,464.46
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Solution
The fourth proportional to 11,305,098.81, 15,600,586.11 and 6,148,464.46 is: 8,484,636.08
Step by Step Solution
- Step 1: Write the proportion equation
11,305,098.81 : 15,600,586.11 = 6,148,464.46 : x - Step 2: Convert to fraction form
11,305,098.81/15,600,586.11 = 6,148,464.46/x - Step 3: Cross multiply
11,305,098.81x = 15,600,586.11 × 6,148,464.46 - Step 4: Simplify right side
11,305,098.81x = 95,919,649,314,781.62 - Step 5: Solve for x
x = 95,919,649,314,781.62/11,305,098.81 - Step 6: Final answer
x = 8,484,636.08
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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.