Finding the Fourth Proportional to 13,753,950.44, 18,980,878.73 and 7,558,884.57
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Solution
The fourth proportional to 13,753,950.44, 18,980,878.73 and 7,558,884.57 is: 10,431,495.45
Step by Step Solution
- Step 1: Write the proportion equation
13,753,950.44 : 18,980,878.73 = 7,558,884.57 : x - Step 2: Convert to fraction form
13,753,950.44/18,980,878.73 = 7,558,884.57/x - Step 3: Cross multiply
13,753,950.44x = 18,980,878.73 × 7,558,884.57 - Step 4: Simplify right side
13,753,950.44x = 143,474,271,319,443.78 - Step 5: Solve for x
x = 143,474,271,319,443.78/13,753,950.44 - Step 6: Final answer
x = 10,431,495.45
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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.