Finding the Fourth Proportional to 12,373,295.68, 17,075,536.34 and 7,146,206.74
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Solution
The fourth proportional to 12,373,295.68, 17,075,536.34 and 7,146,206.74 is: 9,861,989.57
Step by Step Solution
- Step 1: Write the proportion equation
12,373,295.68 : 17,075,536.34 = 7,146,206.74 : x - Step 2: Convert to fraction form
12,373,295.68/17,075,536.34 = 7,146,206.74/x - Step 3: Cross multiply
12,373,295.68x = 17,075,536.34 × 7,146,206.74 - Step 4: Simplify right side
12,373,295.68x = 122,025,312,882,022.94 - Step 5: Solve for x
x = 122,025,312,882,022.94/12,373,295.68 - Step 6: Final answer
x = 9,861,989.57
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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.