Finding the Fourth Proportional to 10,348,145.80, 15,522,218.70 and 3,256,433.80
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Solution
The fourth proportional to 10,348,145.80, 15,522,218.70 and 3,256,433.80 is: 4,884,650.70
Step by Step Solution
- Step 1: Write the proportion equation
10,348,145.80 : 15,522,218.70 = 3,256,433.80 : x - Step 2: Convert to fraction form
10,348,145.80/15,522,218.70 = 3,256,433.80/x - Step 3: Cross multiply
10,348,145.80x = 15,522,218.70 × 3,256,433.80 - Step 4: Simplify right side
10,348,145.80x = 50,547,077,625,672.05 - Step 5: Solve for x
x = 50,547,077,625,672.05/10,348,145.80 - Step 6: Final answer
x = 4,884,650.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.