Finding the Fourth Proportional to 18,204,517.64, 25,121,226.07 and 9,942,935.00
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Solution
The fourth proportional to 18,204,517.64, 25,121,226.07 and 9,942,935.00 is: 13,720,699.60
Step by Step Solution
- Step 1: Write the proportion equation
18,204,517.64 : 25,121,226.07 = 9,942,935.00 : x - Step 2: Convert to fraction form
18,204,517.64/25,121,226.07 = 9,942,935.00/x - Step 3: Cross multiply
18,204,517.64x = 25,121,226.07 × 9,942,935.00 - Step 4: Simplify right side
18,204,517.64x = 249,778,717,758,994.62 - Step 5: Solve for x
x = 249,778,717,758,994.62/18,204,517.64 - Step 6: Final answer
x = 13,720,699.60
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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.