Finding the Fourth Proportional to 15,207,620.52, 22,811,722.44 and 4,972,518.84
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Solution
The fourth proportional to 15,207,620.52, 22,811,722.44 and 4,972,518.84 is: 7,458,873.63
Step by Step Solution
- Step 1: Write the proportion equation
15,207,620.52 : 22,811,722.44 = 4,972,518.84 : x - Step 2: Convert to fraction form
15,207,620.52/22,811,722.44 = 4,972,518.84/x - Step 3: Cross multiply
15,207,620.52x = 22,811,722.44 × 4,972,518.84 - Step 4: Simplify right side
15,207,620.52x = 113,431,719,605,750.77 - Step 5: Solve for x
x = 113,431,719,605,750.77/15,207,620.52 - Step 6: Final answer
x = 7,458,873.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.