Finding the Fourth Proportional to 10,952,399.40, 15,114,877.38 and 6,306,873.96
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Solution
The fourth proportional to 10,952,399.40, 15,114,877.38 and 6,306,873.96 is: 8,703,812.11
Step by Step Solution
- Step 1: Write the proportion equation
10,952,399.40 : 15,114,877.38 = 6,306,873.96 : x - Step 2: Convert to fraction form
10,952,399.40/15,114,877.38 = 6,306,873.96/x - Step 3: Cross multiply
10,952,399.40x = 15,114,877.38 × 6,306,873.96 - Step 4: Simplify right side
10,952,399.40x = 95,327,626,556,515.03 - Step 5: Solve for x
x = 95,327,626,556,515.03/10,952,399.40 - Step 6: Final answer
x = 8,703,812.11
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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.