Finding the Fourth Proportional to 25,399,682.56, 38,104,772.80 and 8,361,377.92
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Solution
The fourth proportional to 25,399,682.56, 38,104,772.80 and 8,361,377.92 is: 12,543,794.80
Step by Step Solution
- Step 1: Write the proportion equation
25,399,682.56 : 38,104,772.80 = 8,361,377.92 : x - Step 2: Convert to fraction form
25,399,682.56/38,104,772.80 = 8,361,377.92/x - Step 3: Cross multiply
25,399,682.56x = 38,104,772.80 × 8,361,377.92 - Step 4: Simplify right side
25,399,682.56x = 318,608,405,936,536.56 - Step 5: Solve for x
x = 318,608,405,936,536.56/25,399,682.56 - Step 6: Final answer
x = 12,543,794.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.