Finding the Fourth Proportional to 16,468,467.61, 22,726,207.84 and 9,126,285.79
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Solution
The fourth proportional to 16,468,467.61, 22,726,207.84 and 9,126,285.79 is: 12,594,120.62
Step by Step Solution
- Step 1: Write the proportion equation
16,468,467.61 : 22,726,207.84 = 9,126,285.79 : x - Step 2: Convert to fraction form
16,468,467.61/22,726,207.84 = 9,126,285.79/x - Step 3: Cross multiply
16,468,467.61x = 22,726,207.84 × 9,126,285.79 - Step 4: Simplify right side
16,468,467.61x = 207,405,867,511,516.12 - Step 5: Solve for x
x = 207,405,867,511,516.12/16,468,467.61 - Step 6: Final answer
x = 12,594,120.62
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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.