Finding the Fourth Proportional to 16,290,586.72, 22,479,698.64 and 9,415,514.08
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Solution
The fourth proportional to 16,290,586.72, 22,479,698.64 and 9,415,514.08 is: 12,992,651.69
Step by Step Solution
- Step 1: Write the proportion equation
16,290,586.72 : 22,479,698.64 = 9,415,514.08 : x - Step 2: Convert to fraction form
16,290,586.72/22,479,698.64 = 9,415,514.08/x - Step 3: Cross multiply
16,290,586.72x = 22,479,698.64 × 9,415,514.08 - Step 4: Simplify right side
16,290,586.72x = 211,657,919,059,076.84 - Step 5: Solve for x
x = 211,657,919,059,076.84/16,290,586.72 - Step 6: Final answer
x = 12,992,651.69
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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.