Finding the Fourth Proportional to 18,125,319.70, 25,015,071.08 and 10,179,168
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Solution
The fourth proportional to 18,125,319.70, 25,015,071.08 and 10,179,168 is: 14,048,447.99
Step by Step Solution
- Step 1: Write the proportion equation
18,125,319.70 : 25,015,071.08 = 10,179,168 : x - Step 2: Convert to fraction form
18,125,319.70/25,015,071.08 = 10,179,168/x - Step 3: Cross multiply
18,125,319.70x = 25,015,071.08 × 10,179,168 - Step 4: Simplify right side
18,125,319.70x = 254,632,611,055,261.41 - Step 5: Solve for x
x = 254,632,611,055,261.41/18,125,319.70 - Step 6: Final answer
x = 14,048,447.99
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1.5x scale
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.