Finding the Fourth Proportional to 10,677,517.96, 14,734,901.76 and 5,782,627.48
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Solution
The fourth proportional to 10,677,517.96, 14,734,901.76 and 5,782,627.48 is: 7,979,986.37
Step by Step Solution
- Step 1: Write the proportion equation
10,677,517.96 : 14,734,901.76 = 5,782,627.48 : x - Step 2: Convert to fraction form
10,677,517.96/14,734,901.76 = 5,782,627.48/x - Step 3: Cross multiply
10,677,517.96x = 14,734,901.76 × 5,782,627.48 - Step 4: Simplify right side
10,677,517.96x = 85,206,447,832,476.38 - Step 5: Solve for x
x = 85,206,447,832,476.38/10,677,517.96 - Step 6: Final answer
x = 7,979,986.37
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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.