Finding the Fourth Proportional to 16,745,959.80, 25,118,939.70 and 4,138,471.80
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Solution
The fourth proportional to 16,745,959.80, 25,118,939.70 and 4,138,471.80 is: 6,207,707.70
Step by Step Solution
- Step 1: Write the proportion equation
16,745,959.80 : 25,118,939.70 = 4,138,471.80 : x - Step 2: Convert to fraction form
16,745,959.80/25,118,939.70 = 4,138,471.80/x - Step 3: Cross multiply
16,745,959.80x = 25,118,939.70 × 4,138,471.80 - Step 4: Simplify right side
16,745,959.80x = 103,954,023,594,350.45 - Step 5: Solve for x
x = 103,954,023,594,350.45/16,745,959.80 - Step 6: Final answer
x = 6,207,707.70
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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.