Finding the Fourth Proportional to 11,552,289.30, 15,942,163.12 and 6,325,628.04
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Solution
The fourth proportional to 11,552,289.30, 15,942,163.12 and 6,325,628.04 is: 8,729,368.82
Step by Step Solution
- Step 1: Write the proportion equation
11,552,289.30 : 15,942,163.12 = 6,325,628.04 : x - Step 2: Convert to fraction form
11,552,289.30/15,942,163.12 = 6,325,628.04/x - Step 3: Cross multiply
11,552,289.30x = 15,942,163.12 × 6,325,628.04 - Step 4: Simplify right side
11,552,289.30x = 100,844,194,050,125.88 - Step 5: Solve for x
x = 100,844,194,050,125.88/11,552,289.30 - Step 6: Final answer
x = 8,729,368.82
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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.