Finding the Fourth Proportional to 11,510,546.68, 15,889,284.66 and 7,851,541.24
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Solution
The fourth proportional to 11,510,546.68, 15,889,284.66 and 7,851,541.24 is: 10,838,353.49
Step by Step Solution
- Step 1: Write the proportion equation
11,510,546.68 : 15,889,284.66 = 7,851,541.24 : x - Step 2: Convert to fraction form
11,510,546.68/15,889,284.66 = 7,851,541.24/x - Step 3: Cross multiply
11,510,546.68x = 15,889,284.66 × 7,851,541.24 - Step 4: Simplify right side
11,510,546.68x = 124,755,373,782,089.39 - Step 5: Solve for x
x = 124,755,373,782,089.39/11,510,546.68 - Step 6: Final answer
x = 10,838,353.49
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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.