Finding the Fourth Proportional to 7,106,896.76, 9,807,517.38 and 3,843,711.40
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Solution
The fourth proportional to 7,106,896.76, 9,807,517.38 and 3,843,711.40 is: 5,304,321.65
Step by Step Solution
- Step 1: Write the proportion equation
7,106,896.76 : 9,807,517.38 = 3,843,711.40 : x - Step 2: Convert to fraction form
7,106,896.76/9,807,517.38 = 3,843,711.40/x - Step 3: Cross multiply
7,106,896.76x = 9,807,517.38 × 3,843,711.40 - Step 4: Simplify right side
7,106,896.76x = 37,697,266,359,204.13 - Step 5: Solve for x
x = 37,697,266,359,204.13/7,106,896.76 - Step 6: Final answer
x = 5,304,321.65
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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.