Finding the Fourth Proportional to 12,377,393.44, 18,566,217.84 and 3,741,564.80
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Solution
The fourth proportional to 12,377,393.44, 18,566,217.84 and 3,741,564.80 is: 5,612,385.80
Step by Step Solution
- Step 1: Write the proportion equation
12,377,393.44 : 18,566,217.84 = 3,741,564.80 : x - Step 2: Convert to fraction form
12,377,393.44/18,566,217.84 = 3,741,564.80/x - Step 3: Cross multiply
12,377,393.44x = 18,566,217.84 × 3,741,564.80 - Step 4: Simplify right side
12,377,393.44x = 69,466,707,139,276.03 - Step 5: Solve for x
x = 69,466,707,139,276.03/12,377,393.44 - Step 6: Final answer
x = 5,612,385.80
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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.