Finding the Fourth Proportional to 19,659,351.24, 27,117,239.94 and 13,043,796.53
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Solution
The fourth proportional to 19,659,351.24, 27,117,239.94 and 13,043,796.53 is: 17,992,036.25
Step by Step Solution
- Step 1: Write the proportion equation
19,659,351.24 : 27,117,239.94 = 13,043,796.53 : x - Step 2: Convert to fraction form
19,659,351.24/27,117,239.94 = 13,043,796.53/x - Step 3: Cross multiply
19,659,351.24x = 27,117,239.94 × 13,043,796.53 - Step 4: Simplify right side
19,659,351.24x = 353,711,760,096,963.25 - Step 5: Solve for x
x = 353,711,760,096,963.25/19,659,351.24 - Step 6: Final answer
x = 17,992,036.25
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.