Finding the Fourth Proportional to 12,176,672.73, 16,797,437.60 and 7,528,972.08
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Solution
The fourth proportional to 12,176,672.73, 16,797,437.60 and 7,528,972.08 is: 10,386,042.35
Step by Step Solution
- Step 1: Write the proportion equation
12,176,672.73 : 16,797,437.60 = 7,528,972.08 : x - Step 2: Convert to fraction form
12,176,672.73/16,797,437.60 = 7,528,972.08/x - Step 3: Cross multiply
12,176,672.73x = 16,797,437.60 × 7,528,972.08 - Step 4: Simplify right side
12,176,672.73x = 126,467,438,668,297.34 - Step 5: Solve for x
x = 126,467,438,668,297.34/12,176,672.73 - Step 6: Final answer
x = 10,386,042.35
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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.