Finding the Fourth Proportional to 7,108,839.16, 10,662,163.62 and 2,316,516.28
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Solution
The fourth proportional to 7,108,839.16, 10,662,163.62 and 2,316,516.28 is: 3,474,417.56
Step by Step Solution
- Step 1: Write the proportion equation
7,108,839.16 : 10,662,163.62 = 2,316,516.28 : x - Step 2: Convert to fraction form
7,108,839.16/10,662,163.62 = 2,316,516.28/x - Step 3: Cross multiply
7,108,839.16x = 10,662,163.62 × 2,316,516.28 - Step 4: Simplify right side
7,108,839.16x = 24,699,075,605,753.73 - Step 5: Solve for x
x = 24,699,075,605,753.73/7,108,839.16 - Step 6: Final answer
x = 3,474,417.56
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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.