Finding the Fourth Proportional to 11,627,842.48, 16,046,265.99 and 6,471,202.66
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Solution
The fourth proportional to 11,627,842.48, 16,046,265.99 and 6,471,202.66 is: 8,930,172.50
Step by Step Solution
- Step 1: Write the proportion equation
11,627,842.48 : 16,046,265.99 = 6,471,202.66 : x - Step 2: Convert to fraction form
11,627,842.48/16,046,265.99 = 6,471,202.66/x - Step 3: Cross multiply
11,627,842.48x = 16,046,265.99 × 6,471,202.66 - Step 4: Simplify right side
11,627,842.48x = 103,838,639,157,555.53 - Step 5: Solve for x
x = 103,838,639,157,555.53/11,627,842.48 - Step 6: Final answer
x = 8,930,172.50
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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.