Finding the Fourth Proportional to 19,782,371.04, 27,286,041.88 and 13,914,450.48
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Solution
The fourth proportional to 19,782,371.04, 27,286,041.88 and 13,914,450.48 is: 19,192,354.53
Step by Step Solution
- Step 1: Write the proportion equation
19,782,371.04 : 27,286,041.88 = 13,914,450.48 : x - Step 2: Convert to fraction form
19,782,371.04/27,286,041.88 = 13,914,450.48/x - Step 3: Cross multiply
19,782,371.04x = 27,286,041.88 × 13,914,450.48 - Step 4: Simplify right side
19,782,371.04x = 379,670,278,534,466.12 - Step 5: Solve for x
x = 379,670,278,534,466.12/19,782,371.04 - Step 6: Final answer
x = 19,192,354.53
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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.