Finding the Fourth Proportional to 12,320,236.08, 18,478,942.29 and 3,223,211.54
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Solution
The fourth proportional to 12,320,236.08, 18,478,942.29 and 3,223,211.54 is: 4,834,447.94
Step by Step Solution
- Step 1: Write the proportion equation
12,320,236.08 : 18,478,942.29 = 3,223,211.54 : x - Step 2: Convert to fraction form
12,320,236.08/18,478,942.29 = 3,223,211.54/x - Step 3: Cross multiply
12,320,236.08x = 18,478,942.29 × 3,223,211.54 - Step 4: Simplify right side
12,320,236.08x = 59,561,539,943,727.31 - Step 5: Solve for x
x = 59,561,539,943,727.31/12,320,236.08 - Step 6: Final answer
x = 4,834,447.94
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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.