Finding the Fourth Proportional to 8,734,558.20, 13,101,837.30 and 5,370,660.60
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Solution
The fourth proportional to 8,734,558.20, 13,101,837.30 and 5,370,660.60 is: 8,055,990.90
Step by Step Solution
- Step 1: Write the proportion equation
8,734,558.20 : 13,101,837.30 = 5,370,660.60 : x - Step 2: Convert to fraction form
8,734,558.20/13,101,837.30 = 5,370,660.60/x - Step 3: Cross multiply
8,734,558.20x = 13,101,837.30 × 5,370,660.60 - Step 4: Simplify right side
8,734,558.20x = 70,365,521,374,720.38 - Step 5: Solve for x
x = 70,365,521,374,720.38/8,734,558.20 - Step 6: Final answer
x = 8,055,990.90
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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.