Finding the Fourth Proportional to 9,658,008.62, 13,314,734.12 and 7,704,516.99
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Solution
The fourth proportional to 9,658,008.62, 13,314,734.12 and 7,704,516.99 is: 10,621,609.42
Step by Step Solution
- Step 1: Write the proportion equation
9,658,008.62 : 13,314,734.12 = 7,704,516.99 : x - Step 2: Convert to fraction form
9,658,008.62/13,314,734.12 = 7,704,516.99/x - Step 3: Cross multiply
9,658,008.62x = 13,314,734.12 × 7,704,516.99 - Step 4: Simplify right side
9,658,008.62x = 102,583,595,264,134 - Step 5: Solve for x
x = 102,583,595,264,134/9,658,008.62 - Step 6: Final answer
x = 10,621,609.42
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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.