Finding the Fourth Proportional to 27,658,291.14, 38,167,441.43 and 15,268,118.64
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Solution
The fourth proportional to 27,658,291.14, 38,167,441.43 and 15,268,118.64 is: 21,069,451.50
Step by Step Solution
- Step 1: Write the proportion equation
27,658,291.14 : 38,167,441.43 = 15,268,118.64 : x - Step 2: Convert to fraction form
27,658,291.14/38,167,441.43 = 15,268,118.64/x - Step 3: Cross multiply
27,658,291.14x = 38,167,441.43 × 15,268,118.64 - Step 4: Simplify right side
27,658,291.14x = 582,745,023,671,313.38 - Step 5: Solve for x
x = 582,745,023,671,313.38/27,658,291.14 - Step 6: Final answer
x = 21,069,451.50
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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.