Finding the Fourth Proportional to 35,383,842.12, 48,831,272.91 and 19,914,928.68
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Solution
The fourth proportional to 35,383,842.12, 48,831,272.91 and 19,914,928.68 is: 27,483,485.66
Step by Step Solution
- Step 1: Write the proportion equation
35,383,842.12 : 48,831,272.91 = 19,914,928.68 : x - Step 2: Convert to fraction form
35,383,842.12/48,831,272.91 = 19,914,928.68/x - Step 3: Cross multiply
35,383,842.12x = 48,831,272.91 × 19,914,928.68 - Step 4: Simplify right side
35,383,842.12x = 972,471,317,356,266 - Step 5: Solve for x
x = 972,471,317,356,266/35,383,842.12 - Step 6: Final answer
x = 27,483,485.66
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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.