Finding the Fourth Proportional to 12,129,337.02, 16,738,357.52 and 6,622,694.58
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Solution
The fourth proportional to 12,129,337.02, 16,738,357.52 and 6,622,694.58 is: 9,139,248.87
Step by Step Solution
- Step 1: Write the proportion equation
12,129,337.02 : 16,738,357.52 = 6,622,694.58 : x - Step 2: Convert to fraction form
12,129,337.02/16,738,357.52 = 6,622,694.58/x - Step 3: Cross multiply
12,129,337.02x = 16,738,357.52 × 6,622,694.58 - Step 4: Simplify right side
12,129,337.02x = 110,853,029,625,806.23 - Step 5: Solve for x
x = 110,853,029,625,806.23/12,129,337.02 - Step 6: Final answer
x = 9,139,248.87
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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.