Finding the Fourth Proportional to 7,633,262.20, 11,449,893.30 and 6,593,999.80
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Solution
The fourth proportional to 7,633,262.20, 11,449,893.30 and 6,593,999.80 is: 9,890,999.70
Step by Step Solution
- Step 1: Write the proportion equation
7,633,262.20 : 11,449,893.30 = 6,593,999.80 : x - Step 2: Convert to fraction form
7,633,262.20/11,449,893.30 = 6,593,999.80/x - Step 3: Cross multiply
7,633,262.20x = 11,449,893.30 × 6,593,999.80 - Step 4: Simplify right side
7,633,262.20x = 75,500,594,130,221.34 - Step 5: Solve for x
x = 75,500,594,130,221.34/7,633,262.20 - Step 6: Final answer
x = 9,890,999.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.