Finding the Fourth Proportional to 11,639,139.92, 16,062,511.56 and 6,482,502.80
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Solution
The fourth proportional to 11,639,139.92, 16,062,511.56 and 6,482,502.80 is: 8,946,131.49
Step by Step Solution
- Step 1: Write the proportion equation
11,639,139.92 : 16,062,511.56 = 6,482,502.80 : x - Step 2: Convert to fraction form
11,639,139.92/16,062,511.56 = 6,482,502.80/x - Step 3: Cross multiply
11,639,139.92x = 16,062,511.56 × 6,482,502.80 - Step 4: Simplify right side
11,639,139.92x = 104,125,276,162,732.38 - Step 5: Solve for x
x = 104,125,276,162,732.38/11,639,139.92 - Step 6: Final answer
x = 8,946,131.49
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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.