Finding the Fourth Proportional to 12,177,861.84, 16,804,728.36 and 6,670,138.32
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Solution
The fourth proportional to 12,177,861.84, 16,804,728.36 and 6,670,138.32 is: 9,204,395.98
Step by Step Solution
- Step 1: Write the proportion equation
12,177,861.84 : 16,804,728.36 = 6,670,138.32 : x - Step 2: Convert to fraction form
12,177,861.84/16,804,728.36 = 6,670,138.32/x - Step 3: Cross multiply
12,177,861.84x = 16,804,728.36 × 6,670,138.32 - Step 4: Simplify right side
12,177,861.84x = 112,089,862,591,226.75 - Step 5: Solve for x
x = 112,089,862,591,226.75/12,177,861.84 - Step 6: Final answer
x = 9,204,395.98
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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.