Finding the Fourth Proportional to 7,994,231.80, 11,035,642.62 and 5,097,516.28
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Solution
The fourth proportional to 7,994,231.80, 11,035,642.62 and 5,097,516.28 is: 7,036,869.75
Step by Step Solution
- Step 1: Write the proportion equation
7,994,231.80 : 11,035,642.62 = 5,097,516.28 : x - Step 2: Convert to fraction form
7,994,231.80/11,035,642.62 = 5,097,516.28/x - Step 3: Cross multiply
7,994,231.80x = 11,035,642.62 × 5,097,516.28 - Step 4: Simplify right side
7,994,231.80x = 56,254,367,915,711.85 - Step 5: Solve for x
x = 56,254,367,915,711.85/7,994,231.80 - Step 6: Final answer
x = 7,036,869.75
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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.