Finding the Fourth Proportional to 11,873,832.12, 16,385,919.84 and 6,441,324.12
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Solution
The fourth proportional to 11,873,832.12, 16,385,919.84 and 6,441,324.12 is: 8,889,044.38
Step by Step Solution
- Step 1: Write the proportion equation
11,873,832.12 : 16,385,919.84 = 6,441,324.12 : x - Step 2: Convert to fraction form
11,873,832.12/16,385,919.84 = 6,441,324.12/x - Step 3: Cross multiply
11,873,832.12x = 16,385,919.84 × 6,441,324.12 - Step 4: Simplify right side
11,873,832.12x = 105,547,020,693,778.55 - Step 5: Solve for x
x = 105,547,020,693,778.55/11,873,832.12 - Step 6: Final answer
x = 8,889,044.38
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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.