Finding the Fourth Proportional to 8,541,431.55, 11,787,175.08 and 4,673,953.17
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Solution
The fourth proportional to 8,541,431.55, 11,787,175.08 and 4,673,953.17 is: 6,450,055.12
Step by Step Solution
- Step 1: Write the proportion equation
8,541,431.55 : 11,787,175.08 = 4,673,953.17 : x - Step 2: Convert to fraction form
8,541,431.55/11,787,175.08 = 4,673,953.17/x - Step 3: Cross multiply
8,541,431.55x = 11,787,175.08 × 4,673,953.17 - Step 4: Simplify right side
8,541,431.55x = 55,092,704,330,511 - Step 5: Solve for x
x = 55,092,704,330,511/8,541,431.55 - Step 6: Final answer
x = 6,450,055.12
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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.