Finding the Fourth Proportional to 14,793,867.05, 20,413,768.41 and 8,177,561.73
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Solution
The fourth proportional to 14,793,867.05, 20,413,768.41 and 8,177,561.73 is: 11,284,057.83
Step by Step Solution
- Step 1: Write the proportion equation
14,793,867.05 : 20,413,768.41 = 8,177,561.73 : x - Step 2: Convert to fraction form
14,793,867.05/20,413,768.41 = 8,177,561.73/x - Step 3: Cross multiply
14,793,867.05x = 20,413,768.41 × 8,177,561.73 - Step 4: Simplify right side
14,793,867.05x = 166,934,851,314,698.97 - Step 5: Solve for x
x = 166,934,851,314,698.97/14,793,867.05 - Step 6: Final answer
x = 11,284,057.83
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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.