Finding the Fourth Proportional to 12,293,591.42, 16,965,177.67 and 6,786,975.15
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Solution
The fourth proportional to 12,293,591.42, 16,965,177.67 and 6,786,975.15 is: 9,366,037.58
Step by Step Solution
- Step 1: Write the proportion equation
12,293,591.42 : 16,965,177.67 = 6,786,975.15 : x - Step 2: Convert to fraction form
12,293,591.42/16,965,177.67 = 6,786,975.15/x - Step 3: Cross multiply
12,293,591.42x = 16,965,177.67 × 6,786,975.15 - Step 4: Simplify right side
12,293,591.42x = 115,142,239,261,624.92 - Step 5: Solve for x
x = 115,142,239,261,624.92/12,293,591.42 - Step 6: Final answer
x = 9,366,037.58
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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.