Finding the Fourth Proportional to 9,554,694.63, 13,185,281.75 and 5,203,857.39
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Solution
The fourth proportional to 9,554,694.63, 13,185,281.75 and 5,203,857.39 is: 7,181,215.99
Step by Step Solution
- Step 1: Write the proportion equation
9,554,694.63 : 13,185,281.75 = 5,203,857.39 : x - Step 2: Convert to fraction form
9,554,694.63/13,185,281.75 = 5,203,857.39/x - Step 3: Cross multiply
9,554,694.63x = 13,185,281.75 × 5,203,857.39 - Step 4: Simplify right side
9,554,694.63x = 68,614,325,873,969.62 - Step 5: Solve for x
x = 68,614,325,873,969.62/9,554,694.63 - Step 6: Final answer
x = 7,181,215.99
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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.