Finding the Fourth Proportional to 19,782,370.04, 27,286,040.50 and 13,914,449.48
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Solution
The fourth proportional to 19,782,370.04, 27,286,040.50 and 13,914,449.48 is: 19,192,353.15
Step by Step Solution
- Step 1: Write the proportion equation
19,782,370.04 : 27,286,040.50 = 13,914,449.48 : x - Step 2: Convert to fraction form
19,782,370.04/27,286,040.50 = 13,914,449.48/x - Step 3: Cross multiply
19,782,370.04x = 27,286,040.50 × 13,914,449.48 - Step 4: Simplify right side
19,782,370.04x = 379,670,231,926,428.94 - Step 5: Solve for x
x = 379,670,231,926,428.94/19,782,370.04 - Step 6: Final answer
x = 19,192,353.15
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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.