Finding the Fourth Proportional to 11,126,118.80, 16,681,207.80 and 4,296,846.80
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Solution
The fourth proportional to 11,126,118.80, 16,681,207.80 and 4,296,846.80 is: 6,442,192.07
Step by Step Solution
- Step 1: Write the proportion equation
11,126,118.80 : 16,681,207.80 = 4,296,846.80 : x - Step 2: Convert to fraction form
11,126,118.80/16,681,207.80 = 4,296,846.80/x - Step 3: Cross multiply
11,126,118.80x = 16,681,207.80 × 4,296,846.80 - Step 4: Simplify right side
11,126,118.80x = 71,676,594,355,565.05 - Step 5: Solve for x
x = 71,676,594,355,565.05/11,126,118.80 - Step 6: Final answer
x = 6,442,192.07
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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.