Finding the Fourth Proportional to 7,193,457.36, 9,926,855.33 and 3,930,201.99
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Solution
The fourth proportional to 7,193,457.36, 9,926,855.33 and 3,930,201.99 is: 5,423,615.46
Step by Step Solution
- Step 1: Write the proportion equation
7,193,457.36 : 9,926,855.33 = 3,930,201.99 : x - Step 2: Convert to fraction form
7,193,457.36/9,926,855.33 = 3,930,201.99/x - Step 3: Cross multiply
7,193,457.36x = 9,926,855.33 × 3,930,201.99 - Step 4: Simplify right side
7,193,457.36x = 39,014,546,552,757.09 - Step 5: Solve for x
x = 39,014,546,552,757.09/7,193,457.36 - Step 6: Final answer
x = 5,423,615.46
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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.