Finding the Fourth Proportional to 23,287,652.97, 32,115,163.95 and 18,404,541.24
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Solution
The fourth proportional to 23,287,652.97, 32,115,163.95 and 18,404,541.24 is: 25,381,040.34
Step by Step Solution
- Step 1: Write the proportion equation
23,287,652.97 : 32,115,163.95 = 18,404,541.24 : x - Step 2: Convert to fraction form
23,287,652.97/32,115,163.95 = 18,404,541.24/x - Step 3: Cross multiply
23,287,652.97x = 32,115,163.95 × 18,404,541.24 - Step 4: Simplify right side
23,287,652.97x = 591,064,859,347,136.25 - Step 5: Solve for x
x = 591,064,859,347,136.25/23,287,652.97 - Step 6: Final answer
x = 25,381,040.34
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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.