Finding the Fourth Proportional to 7,802,828.74, 10,767,653.62 and 4,364,995.96
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Solution
The fourth proportional to 7,802,828.74, 10,767,653.62 and 4,364,995.96 is: 6,023,554.55
Step by Step Solution
- Step 1: Write the proportion equation
7,802,828.74 : 10,767,653.62 = 4,364,995.96 : x - Step 2: Convert to fraction form
7,802,828.74/10,767,653.62 = 4,364,995.96/x - Step 3: Cross multiply
7,802,828.74x = 10,767,653.62 × 4,364,995.96 - Step 4: Simplify right side
7,802,828.74x = 47,000,764,549,979.38 - Step 5: Solve for x
x = 47,000,764,549,979.38/7,802,828.74 - Step 6: Final answer
x = 6,023,554.55
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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.