Finding the Fourth Proportional to 20,849,664.24, 31,247,258.40 and 11,627,268.48
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Solution
The fourth proportional to 20,849,664.24, 31,247,258.40 and 11,627,268.48 is: 17,425,712.88
Step by Step Solution
- Step 1: Write the proportion equation
20,849,664.24 : 31,247,258.40 = 11,627,268.48 : x - Step 2: Convert to fraction form
20,849,664.24/31,247,258.40 = 11,627,268.48/x - Step 3: Cross multiply
20,849,664.24x = 31,247,258.40 × 11,627,268.48 - Step 4: Simplify right side
20,849,664.24x = 363,320,262,680,735.25 - Step 5: Solve for x
x = 363,320,262,680,735.25/20,849,664.24 - Step 6: Final answer
x = 17,425,712.88
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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.