Finding the Fourth Proportional to 16,494,535.20, 24,753,612.60 and 6,916,787.40
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Solution
The fourth proportional to 16,494,535.20, 24,753,612.60 and 6,916,787.40 is: 10,380,133.40
Step by Step Solution
- Step 1: Write the proportion equation
16,494,535.20 : 24,753,612.60 = 6,916,787.40 : x - Step 2: Convert to fraction form
16,494,535.20/24,753,612.60 = 6,916,787.40/x - Step 3: Cross multiply
16,494,535.20x = 24,753,612.60 × 6,916,787.40 - Step 4: Simplify right side
16,494,535.20x = 171,215,475,736,161.25 - Step 5: Solve for x
x = 171,215,475,736,161.25/16,494,535.20 - Step 6: Final answer
x = 10,380,133.40
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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.