Finding the Fourth Proportional to 12,176,673.73, 16,797,438.97 and 7,528,973.08
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Solution
The fourth proportional to 12,176,673.73, 16,797,438.97 and 7,528,973.08 is: 10,386,043.73
Step by Step Solution
- Step 1: Write the proportion equation
12,176,673.73 : 16,797,438.97 = 7,528,973.08 : x - Step 2: Convert to fraction form
12,176,673.73/16,797,438.97 = 7,528,973.08/x - Step 3: Cross multiply
12,176,673.73x = 16,797,438.97 × 7,528,973.08 - Step 4: Simplify right side
12,176,673.73x = 126,467,465,818,072.92 - Step 5: Solve for x
x = 126,467,465,818,072.92/12,176,673.73 - Step 6: Final answer
x = 10,386,043.73
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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.