Finding the Fourth Proportional to 7,017,476.70, 10,526,526.09 and 1,968,675.42
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Solution
The fourth proportional to 7,017,476.70, 10,526,526.09 and 1,968,675.42 is: 2,953,100.39
Step by Step Solution
- Step 1: Write the proportion equation
7,017,476.70 : 10,526,526.09 = 1,968,675.42 : x - Step 2: Convert to fraction form
7,017,476.70/10,526,526.09 = 1,968,675.42/x - Step 3: Cross multiply
7,017,476.70x = 10,526,526.09 × 1,968,675.42 - Step 4: Simplify right side
7,017,476.70x = 20,723,313,171,371.71 - Step 5: Solve for x
x = 20,723,313,171,371.71/7,017,476.70 - Step 6: Final answer
x = 2,953,100.39
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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.