Finding the Fourth Proportional to 19,903,073.50, 27,474,716.19 and 13,380,486.04
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Solution
The fourth proportional to 19,903,073.50, 27,474,716.19 and 13,380,486.04 is: 18,470,768.17
Step by Step Solution
- Step 1: Write the proportion equation
19,903,073.50 : 27,474,716.19 = 13,380,486.04 : x - Step 2: Convert to fraction form
19,903,073.50/27,474,716.19 = 13,380,486.04/x - Step 3: Cross multiply
19,903,073.50x = 27,474,716.19 × 13,380,486.04 - Step 4: Simplify right side
19,903,073.50x = 367,625,056,433,257 - Step 5: Solve for x
x = 367,625,056,433,257/19,903,073.50 - Step 6: Final answer
x = 18,470,768.17
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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.