Finding the Fourth Proportional to 6,335,787.42, 9,493,899.76 and 4,278,384.94
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Solution
The fourth proportional to 6,335,787.42, 9,493,899.76 and 4,278,384.94 is: 6,410,972.32
Step by Step Solution
- Step 1: Write the proportion equation
6,335,787.42 : 9,493,899.76 = 4,278,384.94 : x - Step 2: Convert to fraction form
6,335,787.42/9,493,899.76 = 4,278,384.94/x - Step 3: Cross multiply
6,335,787.42x = 9,493,899.76 × 4,278,384.94 - Step 4: Simplify right side
6,335,787.42x = 40,618,557,755,053.62 - Step 5: Solve for x
x = 40,618,557,755,053.62/6,335,787.42 - Step 6: Final answer
x = 6,410,972.32
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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.