Finding the Fourth Proportional to 10,729,721.28, 14,806,810.08 and 5,900,825.28
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Solution
The fourth proportional to 10,729,721.28, 14,806,810.08 and 5,900,825.28 is: 8,143,025.99
Step by Step Solution
- Step 1: Write the proportion equation
10,729,721.28 : 14,806,810.08 = 5,900,825.28 : x - Step 2: Convert to fraction form
10,729,721.28/14,806,810.08 = 5,900,825.28/x - Step 3: Cross multiply
10,729,721.28x = 14,806,810.08 × 5,900,825.28 - Step 4: Simplify right side
10,729,721.28x = 87,372,399,236,222.83 - Step 5: Solve for x
x = 87,372,399,236,222.83/10,729,721.28 - Step 6: Final answer
x = 8,143,025.99
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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.