Finding the Fourth Proportional to 11,203,257.28, 15,461,968.36 and 6,309,436.09
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Solution
The fourth proportional to 11,203,257.28, 15,461,968.36 and 6,309,436.09 is: 8,707,851.54
Step by Step Solution
- Step 1: Write the proportion equation
11,203,257.28 : 15,461,968.36 = 6,309,436.09 : x - Step 2: Convert to fraction form
11,203,257.28/15,461,968.36 = 6,309,436.09/x - Step 3: Cross multiply
11,203,257.28x = 15,461,968.36 × 6,309,436.09 - Step 4: Simplify right side
11,203,257.28x = 97,556,301,193,022.11 - Step 5: Solve for x
x = 97,556,301,193,022.11/11,203,257.28 - Step 6: Final answer
x = 8,707,851.54
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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.