Finding the Fourth Proportional to 32,805,165.60, 49,207,748.40 and 19,891,149.30
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Solution
The fourth proportional to 32,805,165.60, 49,207,748.40 and 19,891,149.30 is: 29,836,723.95
Step by Step Solution
- Step 1: Write the proportion equation
32,805,165.60 : 49,207,748.40 = 19,891,149.30 : x - Step 2: Convert to fraction form
32,805,165.60/49,207,748.40 = 19,891,149.30/x - Step 3: Cross multiply
32,805,165.60x = 49,207,748.40 × 19,891,149.30 - Step 4: Simplify right side
32,805,165.60x = 978,798,670,141,236.12 - Step 5: Solve for x
x = 978,798,670,141,236.12/32,805,165.60 - Step 6: Final answer
x = 29,836,723.95
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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.