Finding the Fourth Proportional to 7,115,347.98, 9,819,183.69 and 3,852,163.26
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Solution
The fourth proportional to 7,115,347.98, 9,819,183.69 and 3,852,163.26 is: 5,315,987.18
Step by Step Solution
- Step 1: Write the proportion equation
7,115,347.98 : 9,819,183.69 = 3,852,163.26 : x - Step 2: Convert to fraction form
7,115,347.98/9,819,183.69 = 3,852,163.26/x - Step 3: Cross multiply
7,115,347.98x = 9,819,183.69 × 3,852,163.26 - Step 4: Simplify right side
7,115,347.98x = 37,825,098,653,809.23 - Step 5: Solve for x
x = 37,825,098,653,809.23/7,115,347.98 - Step 6: Final answer
x = 5,315,987.18
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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.