Finding the Fourth Proportional to 18,485,219.92, 27,717,157.08 and 5,702,292.40
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Solution
The fourth proportional to 18,485,219.92, 27,717,157.08 and 5,702,292.40 is: 8,550,146.27
Step by Step Solution
- Step 1: Write the proportion equation
18,485,219.92 : 27,717,157.08 = 5,702,292.40 : x - Step 2: Convert to fraction form
18,485,219.92/27,717,157.08 = 5,702,292.40/x - Step 3: Cross multiply
18,485,219.92x = 27,717,157.08 × 5,702,292.40 - Step 4: Simplify right side
18,485,219.92x = 158,051,334,166,890.19 - Step 5: Solve for x
x = 158,051,334,166,890.19/18,485,219.92 - Step 6: Final answer
x = 8,550,146.27
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1.5x scale
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.