Finding the Fourth Proportional to 27,658,291.64, 38,167,442.11 and 15,268,119.14
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Solution
The fourth proportional to 27,658,291.64, 38,167,442.11 and 15,268,119.14 is: 21,069,452.19
Step by Step Solution
- Step 1: Write the proportion equation
27,658,291.64 : 38,167,442.11 = 15,268,119.14 : x - Step 2: Convert to fraction form
27,658,291.64/38,167,442.11 = 15,268,119.14/x - Step 3: Cross multiply
27,658,291.64x = 38,167,442.11 × 15,268,119.14 - Step 4: Simplify right side
27,658,291.64x = 582,745,053,404,533 - Step 5: Solve for x
x = 582,745,053,404,533/27,658,291.64 - Step 6: Final answer
x = 21,069,452.19
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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.