Finding the Fourth Proportional to 19,782,373.04, 27,286,044.64 and 13,914,452.48
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Solution
The fourth proportional to 19,782,373.04, 27,286,044.64 and 13,914,452.48 is: 19,192,357.29
Step by Step Solution
- Step 1: Write the proportion equation
19,782,373.04 : 27,286,044.64 = 13,914,452.48 : x - Step 2: Convert to fraction form
19,782,373.04/27,286,044.64 = 13,914,452.48/x - Step 3: Cross multiply
19,782,373.04x = 27,286,044.64 × 13,914,452.48 - Step 4: Simplify right side
19,782,373.04x = 379,670,371,510,438.75 - Step 5: Solve for x
x = 379,670,371,510,438.75/19,782,373.04 - Step 6: Final answer
x = 19,192,357.29
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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.