Finding the Fourth Proportional to 7,796,872.08, 10,755,363.77 and 4,533,326.09
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Solution
The fourth proportional to 7,796,872.08, 10,755,363.77 and 4,533,326.09 is: 6,253,478.40
Step by Step Solution
- Step 1: Write the proportion equation
7,796,872.08 : 10,755,363.77 = 4,533,326.09 : x - Step 2: Convert to fraction form
7,796,872.08/10,755,363.77 = 4,533,326.09/x - Step 3: Cross multiply
7,796,872.08x = 10,755,363.77 × 4,533,326.09 - Step 4: Simplify right side
7,796,872.08x = 48,757,571,166,870.90 - Step 5: Solve for x
x = 48,757,571,166,870.90/7,796,872.08 - Step 6: Final answer
x = 6,253,478.40
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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.