Finding the Fourth Proportional to 5,647,487.81, 8,501,960.14 and 5,145,276.07
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Solution
The fourth proportional to 5,647,487.81, 8,501,960.14 and 5,145,276.07 is: 7,745,909.95
Step by Step Solution
- Step 1: Write the proportion equation
5,647,487.81 : 8,501,960.14 = 5,145,276.07 : x - Step 2: Convert to fraction form
5,647,487.81/8,501,960.14 = 5,145,276.07/x - Step 3: Cross multiply
5,647,487.81x = 8,501,960.14 × 5,145,276.07 - Step 4: Simplify right side
5,647,487.81x = 43,744,932,022,317.76 - Step 5: Solve for x
x = 43,744,932,022,317.76/5,647,487.81 - Step 6: Final answer
x = 7,745,909.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.