Finding the Fourth Proportional to 18,640,017.63, 27,947,027.61 and 8,259,590.97
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Solution
The fourth proportional to 18,640,017.63, 27,947,027.61 and 8,259,590.97 is: 12,383,626.53
Step by Step Solution
- Step 1: Write the proportion equation
18,640,017.63 : 27,947,027.61 = 8,259,590.97 : x - Step 2: Convert to fraction form
18,640,017.63/27,947,027.61 = 8,259,590.97/x - Step 3: Cross multiply
18,640,017.63x = 27,947,027.61 × 8,259,590.97 - Step 4: Simplify right side
18,640,017.63x = 230,831,016,885,896.66 - Step 5: Solve for x
x = 230,831,016,885,896.66/18,640,017.63 - Step 6: Final answer
x = 12,383,626.53
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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.