Finding the Fourth Proportional to 8,981,605.68, 12,394,620.96 and 4,851,636.81
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Solution
The fourth proportional to 8,981,605.68, 12,394,620.96 and 4,851,636.81 is: 6,695,261.56
Step by Step Solution
- Step 1: Write the proportion equation
8,981,605.68 : 12,394,620.96 = 4,851,636.81 : x - Step 2: Convert to fraction form
8,981,605.68/12,394,620.96 = 4,851,636.81/x - Step 3: Cross multiply
8,981,605.68x = 12,394,620.96 × 4,851,636.81 - Step 4: Simplify right side
8,981,605.68x = 60,134,199,295,533.54 - Step 5: Solve for x
x = 60,134,199,295,533.54/8,981,605.68 - Step 6: Final answer
x = 6,695,261.56
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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.