Finding the Fourth Proportional to 7,107,266.76, 9,807,991.26 and 3,844,078.08
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Solution
The fourth proportional to 7,107,266.76, 9,807,991.26 and 3,844,078.08 is: 5,304,807.81
Step by Step Solution
- Step 1: Write the proportion equation
7,107,266.76 : 9,807,991.26 = 3,844,078.08 : x - Step 2: Convert to fraction form
7,107,266.76/9,807,991.26 = 3,844,078.08/x - Step 3: Cross multiply
7,107,266.76x = 9,807,991.26 × 3,844,078.08 - Step 4: Simplify right side
7,107,266.76x = 37,702,684,211,397.58 - Step 5: Solve for x
x = 37,702,684,211,397.58/7,107,266.76 - Step 6: Final answer
x = 5,304,807.81
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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.