Finding the Fourth Proportional to 19,599,872.17, 29,406,548.54 and 11,519,608.09
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Solution
The fourth proportional to 19,599,872.17, 29,406,548.54 and 11,519,608.09 is: 17,283,373.66
Step by Step Solution
- Step 1: Write the proportion equation
19,599,872.17 : 29,406,548.54 = 11,519,608.09 : x - Step 2: Convert to fraction form
19,599,872.17/29,406,548.54 = 11,519,608.09/x - Step 3: Cross multiply
19,599,872.17x = 29,406,548.54 × 11,519,608.09 - Step 4: Simplify right side
19,599,872.17x = 338,751,914,460,361.69 - Step 5: Solve for x
x = 338,751,914,460,361.69/19,599,872.17 - Step 6: Final answer
x = 17,283,373.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.