Finding the Fourth Proportional to 19,988,589.17, 29,982,804.56 and 6,342,799.68
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Solution
The fourth proportional to 19,988,589.17, 29,982,804.56 and 6,342,799.68 is: 9,514,174.39
Step by Step Solution
- Step 1: Write the proportion equation
19,988,589.17 : 29,982,804.56 = 6,342,799.68 : x - Step 2: Convert to fraction form
19,988,589.17/29,982,804.56 = 6,342,799.68/x - Step 3: Cross multiply
19,988,589.17x = 29,982,804.56 × 6,342,799.68 - Step 4: Simplify right side
19,988,589.17x = 190,174,923,110,286.28 - Step 5: Solve for x
x = 190,174,923,110,286.28/19,988,589.17 - Step 6: Final answer
x = 9,514,174.39
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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.