Finding the Fourth Proportional to 8,054,418.60, 12,081,627.90 and 4,471,237.80
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Solution
The fourth proportional to 8,054,418.60, 12,081,627.90 and 4,471,237.80 is: 6,706,856.70
Step by Step Solution
- Step 1: Write the proportion equation
8,054,418.60 : 12,081,627.90 = 4,471,237.80 : x - Step 2: Convert to fraction form
8,054,418.60/12,081,627.90 = 4,471,237.80/x - Step 3: Cross multiply
8,054,418.60x = 12,081,627.90 × 4,471,237.80 - Step 4: Simplify right side
8,054,418.60x = 54,019,831,352,014.62 - Step 5: Solve for x
x = 54,019,831,352,014.62/8,054,418.60 - Step 6: Final answer
x = 6,706,856.70
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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.