Finding the Fourth Proportional to 17,633,420.40, 26,443,909.80 and 6,274,239.60
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Solution
The fourth proportional to 17,633,420.40, 26,443,909.80 and 6,274,239.60 is: 9,409,145.94
Step by Step Solution
- Step 1: Write the proportion equation
17,633,420.40 : 26,443,909.80 = 6,274,239.60 : x - Step 2: Convert to fraction form
17,633,420.40/26,443,909.80 = 6,274,239.60/x - Step 3: Cross multiply
17,633,420.40x = 26,443,909.80 × 6,274,239.60 - Step 4: Simplify right side
17,633,420.40x = 165,915,426,045,988.06 - Step 5: Solve for x
x = 165,915,426,045,988.06/17,633,420.40 - Step 6: Final answer
x = 9,409,145.94
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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.