Finding the Fourth Proportional to 18,555,232.82, 27,833,724.02 and 15,310,752.71
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Solution
The fourth proportional to 18,555,232.82, 27,833,724.02 and 15,310,752.71 is: 22,966,850.89
Step by Step Solution
- Step 1: Write the proportion equation
18,555,232.82 : 27,833,724.02 = 15,310,752.71 : x - Step 2: Convert to fraction form
18,555,232.82/27,833,724.02 = 15,310,752.71/x - Step 3: Cross multiply
18,555,232.82x = 27,833,724.02 × 15,310,752.71 - Step 4: Simplify right side
18,555,232.82x = 426,155,265,367,715.38 - Step 5: Solve for x
x = 426,155,265,367,715.38/18,555,232.82 - Step 6: Final answer
x = 22,966,850.89
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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.