Finding the Fourth Proportional to 17,507,972.70, 26,198,973.45 and 11,839,268.70
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Solution
The fourth proportional to 17,507,972.70, 26,198,973.45 and 11,839,268.70 is: 17,716,310.83
Step by Step Solution
- Step 1: Write the proportion equation
17,507,972.70 : 26,198,973.45 = 11,839,268.70 : x - Step 2: Convert to fraction form
17,507,972.70/26,198,973.45 = 11,839,268.70/x - Step 3: Cross multiply
17,507,972.70x = 26,198,973.45 × 11,839,268.70 - Step 4: Simplify right side
17,507,972.70x = 310,176,686,338,716 - Step 5: Solve for x
x = 310,176,686,338,716/17,507,972.70 - Step 6: Final answer
x = 17,716,310.83
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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.