Finding the Fourth Proportional to 8,300,770.47, 11,455,125.17 and 4,629,924.99
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Solution
The fourth proportional to 8,300,770.47, 11,455,125.17 and 4,629,924.99 is: 6,389,331.02
Step by Step Solution
- Step 1: Write the proportion equation
8,300,770.47 : 11,455,125.17 = 4,629,924.99 : x - Step 2: Convert to fraction form
8,300,770.47/11,455,125.17 = 4,629,924.99/x - Step 3: Cross multiply
8,300,770.47x = 11,455,125.17 × 4,629,924.99 - Step 4: Simplify right side
8,300,770.47x = 53,036,370,265,011.38 - Step 5: Solve for x
x = 53,036,370,265,011.38/8,300,770.47 - Step 6: Final answer
x = 6,389,331.02
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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.