Finding the Fourth Proportional to 7,444,268.80, 11,166,403.20 and 2,956,544.80
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Solution
The fourth proportional to 7,444,268.80, 11,166,403.20 and 2,956,544.80 is: 4,434,817.20
Step by Step Solution
- Step 1: Write the proportion equation
7,444,268.80 : 11,166,403.20 = 2,956,544.80 : x - Step 2: Convert to fraction form
7,444,268.80/11,166,403.20 = 2,956,544.80/x - Step 3: Cross multiply
7,444,268.80x = 11,166,403.20 × 2,956,544.80 - Step 4: Simplify right side
7,444,268.80x = 33,013,971,315,663.36 - Step 5: Solve for x
x = 33,013,971,315,663.36/7,444,268.80 - Step 6: Final answer
x = 4,434,817.20
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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.