Finding the Fourth Proportional to 34,399,793.75, 47,471,683.41 and 18,929,878.38
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Solution
The fourth proportional to 34,399,793.75, 47,471,683.41 and 18,929,878.38 is: 26,123,214.58
Step by Step Solution
- Step 1: Write the proportion equation
34,399,793.75 : 47,471,683.41 = 18,929,878.38 : x - Step 2: Convert to fraction form
34,399,793.75/47,471,683.41 = 18,929,878.38/x - Step 3: Cross multiply
34,399,793.75x = 47,471,683.41 × 18,929,878.38 - Step 4: Simplify right side
34,399,793.75x = 898,633,193,445,163.50 - Step 5: Solve for x
x = 898,633,193,445,163.50/34,399,793.75 - Step 6: Final answer
x = 26,123,214.58
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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.