Finding the Fourth Proportional to 7,958,562.36, 10,982,091.36 and 4,605,149.05
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Solution
The fourth proportional to 7,958,562.36, 10,982,091.36 and 4,605,149.05 is: 6,354,686.35
Step by Step Solution
- Step 1: Write the proportion equation
7,958,562.36 : 10,982,091.36 = 4,605,149.05 : x - Step 2: Convert to fraction form
7,958,562.36/10,982,091.36 = 4,605,149.05/x - Step 3: Cross multiply
7,958,562.36x = 10,982,091.36 × 4,605,149.05 - Step 4: Simplify right side
7,958,562.36x = 50,574,167,593,517.20 - Step 5: Solve for x
x = 50,574,167,593,517.20/7,958,562.36 - Step 6: Final answer
x = 6,354,686.35
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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.