Finding the Fourth Proportional to 11,126,117.80, 16,681,206.30 and 4,296,845.80
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Solution
The fourth proportional to 11,126,117.80, 16,681,206.30 and 4,296,845.80 is: 6,442,190.58
Step by Step Solution
- Step 1: Write the proportion equation
11,126,117.80 : 16,681,206.30 = 4,296,845.80 : x - Step 2: Convert to fraction form
11,126,117.80/16,681,206.30 = 4,296,845.80/x - Step 3: Cross multiply
11,126,117.80x = 16,681,206.30 × 4,296,845.80 - Step 4: Simplify right side
11,126,117.80x = 71,676,571,229,088.55 - Step 5: Solve for x
x = 71,676,571,229,088.55/11,126,117.80 - Step 6: Final answer
x = 6,442,190.58
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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.