Finding the Fourth Proportional to 7,992,014.14, 11,021,619.81 and 5,237,697.97
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Solution
The fourth proportional to 7,992,014.14, 11,021,619.81 and 5,237,697.97 is: 7,223,199.90
Step by Step Solution
- Step 1: Write the proportion equation
7,992,014.14 : 11,021,619.81 = 5,237,697.97 : x - Step 2: Convert to fraction form
7,992,014.14/11,021,619.81 = 5,237,697.97/x - Step 3: Cross multiply
7,992,014.14x = 11,021,619.81 × 5,237,697.97 - Step 4: Simplify right side
7,992,014.14x = 57,727,915,704,948.79 - Step 5: Solve for x
x = 57,727,915,704,948.79/7,992,014.14 - Step 6: Final answer
x = 7,223,199.90
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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.