Finding the Fourth Proportional to 22,421,072.22, 33,631,608.70 and 5,381,745.14
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Solution
The fourth proportional to 22,421,072.22, 33,631,608.70 and 5,381,745.14 is: 8,072,617.80
Step by Step Solution
- Step 1: Write the proportion equation
22,421,072.22 : 33,631,608.70 = 5,381,745.14 : x - Step 2: Convert to fraction form
22,421,072.22/33,631,608.70 = 5,381,745.14/x - Step 3: Cross multiply
22,421,072.22x = 33,631,608.70 × 5,381,745.14 - Step 4: Simplify right side
22,421,072.22x = 180,996,746,671,606.72 - Step 5: Solve for x
x = 180,996,746,671,606.72/22,421,072.22 - Step 6: Final answer
x = 8,072,617.80
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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.