Finding the Fourth Proportional to 18,652,026.94, 27,947,109.85 and 11,343,380.03
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Solution
The fourth proportional to 18,652,026.94, 27,947,109.85 and 11,343,380.03 is: 16,996,259.38
Step by Step Solution
- Step 1: Write the proportion equation
18,652,026.94 : 27,947,109.85 = 11,343,380.03 : x - Step 2: Convert to fraction form
18,652,026.94/27,947,109.85 = 11,343,380.03/x - Step 3: Cross multiply
18,652,026.94x = 27,947,109.85 × 11,343,380.03 - Step 4: Simplify right side
18,652,026.94x = 317,014,687,705,414 - Step 5: Solve for x
x = 317,014,687,705,414/18,652,026.94 - Step 6: Final answer
x = 16,996,259.38
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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.