Finding the Fourth Proportional to 8,100,788.08, 12,153,025.32 and 4,312,274.80
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Solution
The fourth proportional to 8,100,788.08, 12,153,025.32 and 4,312,274.80 is: 6,469,393.39
Step by Step Solution
- Step 1: Write the proportion equation
8,100,788.08 : 12,153,025.32 = 4,312,274.80 : x - Step 2: Convert to fraction form
8,100,788.08/12,153,025.32 = 4,312,274.80/x - Step 3: Cross multiply
8,100,788.08x = 12,153,025.32 × 4,312,274.80 - Step 4: Simplify right side
8,100,788.08x = 52,407,184,831,197.94 - Step 5: Solve for x
x = 52,407,184,831,197.94/8,100,788.08 - Step 6: Final answer
x = 6,469,393.39
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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.