Finding the Fourth Proportional to 10,983,563.99, 15,157,238.18 and 6,021,923.49
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Solution
The fourth proportional to 10,983,563.99, 15,157,238.18 and 6,021,923.49 is: 8,310,210.49
Step by Step Solution
- Step 1: Write the proportion equation
10,983,563.99 : 15,157,238.18 = 6,021,923.49 : x - Step 2: Convert to fraction form
10,983,563.99/15,157,238.18 = 6,021,923.49/x - Step 3: Cross multiply
10,983,563.99x = 15,157,238.18 × 6,021,923.49 - Step 4: Simplify right side
10,983,563.99x = 91,275,728,666,396.89 - Step 5: Solve for x
x = 91,275,728,666,396.89/10,983,563.99 - Step 6: Final answer
x = 8,310,210.49
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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.