Finding the Fourth Proportional to 11,996,214.48, 16,554,740.06 and 6,489,587.88
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Solution
The fourth proportional to 11,996,214.48, 16,554,740.06 and 6,489,587.88 is: 8,955,611.83
Step by Step Solution
- Step 1: Write the proportion equation
11,996,214.48 : 16,554,740.06 = 6,489,587.88 : x - Step 2: Convert to fraction form
11,996,214.48/16,554,740.06 = 6,489,587.88/x - Step 3: Cross multiply
11,996,214.48x = 16,554,740.06 × 6,489,587.88 - Step 4: Simplify right side
11,996,214.48x = 107,433,440,383,376.75 - Step 5: Solve for x
x = 107,433,440,383,376.75/11,996,214.48 - Step 6: Final answer
x = 8,955,611.83
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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.