Finding the Fourth Proportional to 7,226,293.48, 9,971,566.44 and 4,171,491.88
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Solution
The fourth proportional to 7,226,293.48, 9,971,566.44 and 4,171,491.88 is: 5,756,243.99
Step by Step Solution
- Step 1: Write the proportion equation
7,226,293.48 : 9,971,566.44 = 4,171,491.88 : x - Step 2: Convert to fraction form
7,226,293.48/9,971,566.44 = 4,171,491.88/x - Step 3: Cross multiply
7,226,293.48x = 9,971,566.44 × 4,171,491.88 - Step 4: Simplify right side
7,226,293.48x = 41,596,308,435,340.51 - Step 5: Solve for x
x = 41,596,308,435,340.51/7,226,293.48 - Step 6: Final answer
x = 5,756,243.99
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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.