Finding the Fourth Proportional to 7,395,376.40, 11,093,064.60 and 5,127,894.80
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Solution
The fourth proportional to 7,395,376.40, 11,093,064.60 and 5,127,894.80 is: 7,691,842.20
Step by Step Solution
- Step 1: Write the proportion equation
7,395,376.40 : 11,093,064.60 = 5,127,894.80 : x - Step 2: Convert to fraction form
7,395,376.40/11,093,064.60 = 5,127,894.80/x - Step 3: Cross multiply
7,395,376.40x = 11,093,064.60 × 5,127,894.80 - Step 4: Simplify right side
7,395,376.40x = 56,884,068,278,404.08 - Step 5: Solve for x
x = 56,884,068,278,404.08/7,395,376.40 - Step 6: Final answer
x = 7,691,842.20
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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.