Finding the Fourth Proportional to 11,240,758.49, 15,512,622.75 and 6,889,003.92
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Solution
The fourth proportional to 11,240,758.49, 15,512,622.75 and 6,889,003.92 is: 9,507,055.87
Step by Step Solution
- Step 1: Write the proportion equation
11,240,758.49 : 15,512,622.75 = 6,889,003.92 : x - Step 2: Convert to fraction form
11,240,758.49/15,512,622.75 = 6,889,003.92/x - Step 3: Cross multiply
11,240,758.49x = 15,512,622.75 × 6,889,003.92 - Step 4: Simplify right side
11,240,758.49x = 106,866,518,934,231.17 - Step 5: Solve for x
x = 106,866,518,934,231.17/11,240,758.49 - Step 6: Final answer
x = 9,507,055.87
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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.