Finding the Fourth Proportional to 8,548,412.66, 11,796,789.78 and 4,680,899.99
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Solution
The fourth proportional to 8,548,412.66, 11,796,789.78 and 4,680,899.99 is: 6,459,631.21
Step by Step Solution
- Step 1: Write the proportion equation
8,548,412.66 : 11,796,789.78 = 4,680,899.99 : x - Step 2: Convert to fraction form
8,548,412.66/11,796,789.78 = 4,680,899.99/x - Step 3: Cross multiply
8,548,412.66x = 11,796,789.78 × 4,680,899.99 - Step 4: Simplify right side
8,548,412.66x = 55,219,593,192,726.07 - Step 5: Solve for x
x = 55,219,593,192,726.07/8,548,412.66 - Step 6: Final answer
x = 6,459,631.21
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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.