Finding the Fourth Proportional to 18,015,797.07, 27,050,661.32 and 15,594,460.02
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Solution
The fourth proportional to 18,015,797.07, 27,050,661.32 and 15,594,460.02 is: 23,415,031.53
Step by Step Solution
- Step 1: Write the proportion equation
18,015,797.07 : 27,050,661.32 = 15,594,460.02 : x - Step 2: Convert to fraction form
18,015,797.07/27,050,661.32 = 15,594,460.02/x - Step 3: Cross multiply
18,015,797.07x = 27,050,661.32 × 15,594,460.02 - Step 4: Simplify right side
18,015,797.07x = 421,840,456,469,300.44 - Step 5: Solve for x
x = 421,840,456,469,300.44/18,015,797.07 - Step 6: Final answer
x = 23,415,031.53
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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.