Finding the Fourth Proportional to 12,275,348.66, 16,939,846.11 and 6,769,207.40
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Solution
The fourth proportional to 12,275,348.66, 16,939,846.11 and 6,769,207.40 is: 9,341,431.74
Step by Step Solution
- Step 1: Write the proportion equation
12,275,348.66 : 16,939,846.11 = 6,769,207.40 : x - Step 2: Convert to fraction form
12,275,348.66/16,939,846.11 = 6,769,207.40/x - Step 3: Cross multiply
12,275,348.66x = 16,939,846.11 × 6,769,207.40 - Step 4: Simplify right side
12,275,348.66x = 114,669,331,642,673.22 - Step 5: Solve for x
x = 114,669,331,642,673.22/12,275,348.66 - Step 6: Final answer
x = 9,341,431.74
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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.