Finding the Fourth Proportional to 10,350,351.81, 14,283,583.11 and 5,704,304.38
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Solution
The fourth proportional to 10,350,351.81, 14,283,583.11 and 5,704,304.38 is: 7,871,993.84
Step by Step Solution
- Step 1: Write the proportion equation
10,350,351.81 : 14,283,583.11 = 5,704,304.38 : x - Step 2: Convert to fraction form
10,350,351.81/14,283,583.11 = 5,704,304.38/x - Step 3: Cross multiply
10,350,351.81x = 14,283,583.11 × 5,704,304.38 - Step 4: Simplify right side
10,350,351.81x = 81,477,905,696,467.02 - Step 5: Solve for x
x = 81,477,905,696,467.02/10,350,351.81 - Step 6: Final answer
x = 7,871,993.84
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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.