Finding the Fourth Proportional to 10,428,133.74, 15,622,024.13 and 5,865,319.09
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Solution
The fourth proportional to 10,428,133.74, 15,622,024.13 and 5,865,319.09 is: 8,786,630.35
Step by Step Solution
- Step 1: Write the proportion equation
10,428,133.74 : 15,622,024.13 = 5,865,319.09 : x - Step 2: Convert to fraction form
10,428,133.74/15,622,024.13 = 5,865,319.09/x - Step 3: Cross multiply
10,428,133.74x = 15,622,024.13 × 5,865,319.09 - Step 4: Simplify right side
10,428,133.74x = 91,628,156,324,803.05 - Step 5: Solve for x
x = 91,628,156,324,803.05/10,428,133.74 - Step 6: Final answer
x = 8,786,630.35
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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.