Finding the Fourth Proportional to 18,303,230.88, 27,454,723.20 and 4,656,260.16
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Solution
The fourth proportional to 18,303,230.88, 27,454,723.20 and 4,656,260.16 is: 6,984,358.92
Step by Step Solution
- Step 1: Write the proportion equation
18,303,230.88 : 27,454,723.20 = 4,656,260.16 : x - Step 2: Convert to fraction form
18,303,230.88/27,454,723.20 = 4,656,260.16/x - Step 3: Cross multiply
18,303,230.88x = 27,454,723.20 × 4,656,260.16 - Step 4: Simplify right side
18,303,230.88x = 127,836,333,839,987.72 - Step 5: Solve for x
x = 127,836,333,839,987.72/18,303,230.88 - Step 6: Final answer
x = 6,984,358.92
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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.