Finding the Fourth Proportional to 10,660,148.67, 14,711,005.17 and 5,765,370.75
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Solution
The fourth proportional to 10,660,148.67, 14,711,005.17 and 5,765,370.75 is: 7,956,211.64
Step by Step Solution
- Step 1: Write the proportion equation
10,660,148.67 : 14,711,005.17 = 5,765,370.75 : x - Step 2: Convert to fraction form
10,660,148.67/14,711,005.17 = 5,765,370.75/x - Step 3: Cross multiply
10,660,148.67x = 14,711,005.17 × 5,765,370.75 - Step 4: Simplify right side
10,660,148.67x = 84,814,398,910,216.78 - Step 5: Solve for x
x = 84,814,398,910,216.78/10,660,148.67 - Step 6: Final answer
x = 7,956,211.64
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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.