Finding the Fourth Proportional to 18,557,395.50, 27,840,097.47 and 5,602,471.35
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Solution
The fourth proportional to 18,557,395.50, 27,840,097.47 and 5,602,471.35 is: 8,404,915.90
Step by Step Solution
- Step 1: Write the proportion equation
18,557,395.50 : 27,840,097.47 = 5,602,471.35 : x - Step 2: Convert to fraction form
18,557,395.50/27,840,097.47 = 5,602,471.35/x - Step 3: Cross multiply
18,557,395.50x = 27,840,097.47 × 5,602,471.35 - Step 4: Simplify right side
18,557,395.50x = 155,973,348,456,882.47 - Step 5: Solve for x
x = 155,973,348,456,882.47/18,557,395.50 - Step 6: Final answer
x = 8,404,915.90
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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.