Finding the Fourth Proportional to 11,507,896.36, 17,259,919.88 and 4,219,850.08
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Solution
The fourth proportional to 11,507,896.36, 17,259,919.88 and 4,219,850.08 is: 6,329,069.36
Step by Step Solution
- Step 1: Write the proportion equation
11,507,896.36 : 17,259,919.88 = 4,219,850.08 : x - Step 2: Convert to fraction form
11,507,896.36/17,259,919.88 = 4,219,850.08/x - Step 3: Cross multiply
11,507,896.36x = 17,259,919.88 × 4,219,850.08 - Step 4: Simplify right side
11,507,896.36x = 72,834,274,286,411.59 - Step 5: Solve for x
x = 72,834,274,286,411.59/11,507,896.36 - Step 6: Final answer
x = 6,329,069.36
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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.