Finding the Fourth Proportional to 22,765,440.80, 34,136,351.40 and 8,381,104.40
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Solution
The fourth proportional to 22,765,440.80, 34,136,351.40 and 8,381,104.40 is: 12,567,308.82
Step by Step Solution
- Step 1: Write the proportion equation
22,765,440.80 : 34,136,351.40 = 8,381,104.40 : x - Step 2: Convert to fraction form
22,765,440.80/34,136,351.40 = 8,381,104.40/x - Step 3: Cross multiply
22,765,440.80x = 34,136,351.40 × 8,381,104.40 - Step 4: Simplify right side
22,765,440.80x = 286,100,324,918,486.19 - Step 5: Solve for x
x = 286,100,324,918,486.19/22,765,440.80 - Step 6: Final answer
x = 12,567,308.82
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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.