Finding the Fourth Proportional to 12,062,198.22, 16,645,962.42 and 6,555,572.79
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Solution
The fourth proportional to 12,062,198.22, 16,645,962.42 and 6,555,572.79 is: 9,046,760.49
Step by Step Solution
- Step 1: Write the proportion equation
12,062,198.22 : 16,645,962.42 = 6,555,572.79 : x - Step 2: Convert to fraction form
12,062,198.22/16,645,962.42 = 6,555,572.79/x - Step 3: Cross multiply
12,062,198.22x = 16,645,962.42 × 6,555,572.79 - Step 4: Simplify right side
12,062,198.22x = 109,123,818,303,914.55 - Step 5: Solve for x
x = 109,123,818,303,914.55/12,062,198.22 - Step 6: Final answer
x = 9,046,760.49
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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.