Finding the Fourth Proportional to 16,289,793.81, 24,422,843.63 and 7,649,441.97
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Solution
The fourth proportional to 16,289,793.81, 24,422,843.63 and 7,649,441.97 is: 11,468,599.74
Step by Step Solution
- Step 1: Write the proportion equation
16,289,793.81 : 24,422,843.63 = 7,649,441.97 : x - Step 2: Convert to fraction form
16,289,793.81/24,422,843.63 = 7,649,441.97/x - Step 3: Cross multiply
16,289,793.81x = 24,422,843.63 × 7,649,441.97 - Step 4: Simplify right side
16,289,793.81x = 186,821,125,090,069.12 - Step 5: Solve for x
x = 186,821,125,090,069.12/16,289,793.81 - Step 6: Final answer
x = 11,468,599.74
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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.