Finding the Fourth Proportional to 8,757,427.97, 12,084,558.55 and 5,085,744.75
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Solution
The fourth proportional to 8,757,427.97, 12,084,558.55 and 5,085,744.75 is: 7,017,925.85
Step by Step Solution
- Step 1: Write the proportion equation
8,757,427.97 : 12,084,558.55 = 5,085,744.75 : x - Step 2: Convert to fraction form
8,757,427.97/12,084,558.55 = 5,085,744.75/x - Step 3: Cross multiply
8,757,427.97x = 12,084,558.55 × 5,085,744.75 - Step 4: Simplify right side
8,757,427.97x = 61,458,980,189,015.75 - Step 5: Solve for x
x = 61,458,980,189,015.75/8,757,427.97 - Step 6: Final answer
x = 7,017,925.85
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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.