Finding the Fourth Proportional to 18,640,016.13, 27,947,025.36 and 8,259,589.47
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Solution
The fourth proportional to 18,640,016.13, 27,947,025.36 and 8,259,589.47 is: 12,383,624.28
Step by Step Solution
- Step 1: Write the proportion equation
18,640,016.13 : 27,947,025.36 = 8,259,589.47 : x - Step 2: Convert to fraction form
18,640,016.13/27,947,025.36 = 8,259,589.47/x - Step 3: Cross multiply
18,640,016.13x = 27,947,025.36 × 8,259,589.47 - Step 4: Simplify right side
18,640,016.13x = 230,830,956,381,278.94 - Step 5: Solve for x
x = 230,830,956,381,278.94/18,640,016.13 - Step 6: Final answer
x = 12,383,624.28
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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.