Finding the Fourth Proportional to 34,174,793.80, 47,161,043.36 and 18,493,806.96
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Solution
The fourth proportional to 34,174,793.80, 47,161,043.36 and 18,493,806.96 is: 25,521,360.48
Step by Step Solution
- Step 1: Write the proportion equation
34,174,793.80 : 47,161,043.36 = 18,493,806.96 : x - Step 2: Convert to fraction form
34,174,793.80/47,161,043.36 = 18,493,806.96/x - Step 3: Cross multiply
34,174,793.80x = 47,161,043.36 × 18,493,806.96 - Step 4: Simplify right side
34,174,793.80x = 872,187,231,932,029.88 - Step 5: Solve for x
x = 872,187,231,932,029.88/34,174,793.80 - Step 6: Final answer
x = 25,521,360.48
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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.