Finding the Fourth Proportional to 18,735,473.33, 25,847,036.13 and 12,542,515.31
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Solution
The fourth proportional to 18,735,473.33, 25,847,036.13 and 12,542,515.31 is: 17,303,371.03
Step by Step Solution
- Step 1: Write the proportion equation
18,735,473.33 : 25,847,036.13 = 12,542,515.31 : x - Step 2: Convert to fraction form
18,735,473.33/25,847,036.13 = 12,542,515.31/x - Step 3: Cross multiply
18,735,473.33x = 25,847,036.13 × 12,542,515.31 - Step 4: Simplify right side
18,735,473.33x = 324,186,846,490,300.19 - Step 5: Solve for x
x = 324,186,846,490,300.19/18,735,473.33 - Step 6: Final answer
x = 17,303,371.03
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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.