Finding the Fourth Proportional to 23,891,734.68, 32,969,544.39 and 13,438,623.12
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Solution
The fourth proportional to 23,891,734.68, 32,969,544.39 and 13,438,623.12 is: 18,544,709.60
Step by Step Solution
- Step 1: Write the proportion equation
23,891,734.68 : 32,969,544.39 = 13,438,623.12 : x - Step 2: Convert to fraction form
23,891,734.68/32,969,544.39 = 13,438,623.12/x - Step 3: Cross multiply
23,891,734.68x = 32,969,544.39 × 13,438,623.12 - Step 4: Simplify right side
23,891,734.68x = 443,065,281,495,320.25 - Step 5: Solve for x
x = 443,065,281,495,320.25/23,891,734.68 - Step 6: Final answer
x = 18,544,709.60
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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.