Finding the Fourth Proportional to 7,184,119.36, 9,914,007.12 and 3,920,907.59
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Solution
The fourth proportional to 7,184,119.36, 9,914,007.12 and 3,920,907.59 is: 5,410,810.12
Step by Step Solution
- Step 1: Write the proportion equation
7,184,119.36 : 9,914,007.12 = 3,920,907.59 : x - Step 2: Convert to fraction form
7,184,119.36/9,914,007.12 = 3,920,907.59/x - Step 3: Cross multiply
7,184,119.36x = 9,914,007.12 × 3,920,907.59 - Step 4: Simplify right side
7,184,119.36x = 38,871,905,764,122.04 - Step 5: Solve for x
x = 38,871,905,764,122.04/7,184,119.36 - Step 6: Final answer
x = 5,410,810.12
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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.