Finding the Fourth Proportional to 11,541,797.28, 15,926,295.60 and 6,648,619.68
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Solution
The fourth proportional to 11,541,797.28, 15,926,295.60 and 6,648,619.68 is: 9,174,297.54
Step by Step Solution
- Step 1: Write the proportion equation
11,541,797.28 : 15,926,295.60 = 6,648,619.68 : x - Step 2: Convert to fraction form
11,541,797.28/15,926,295.60 = 6,648,619.68/x - Step 3: Cross multiply
11,541,797.28x = 15,926,295.60 × 6,648,619.68 - Step 4: Simplify right side
11,541,797.28x = 105,887,882,355,657.41 - Step 5: Solve for x
x = 105,887,882,355,657.41/11,541,797.28 - Step 6: Final answer
x = 9,174,297.54
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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.