Finding the Fourth Proportional to 11,427,806.43, 15,770,566.35 and 6,271,647.75
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Solution
The fourth proportional to 11,427,806.43, 15,770,566.35 and 6,271,647.75 is: 8,654,980.08
Step by Step Solution
- Step 1: Write the proportion equation
11,427,806.43 : 15,770,566.35 = 6,271,647.75 : x - Step 2: Convert to fraction form
11,427,806.43/15,770,566.35 = 6,271,647.75/x - Step 3: Cross multiply
11,427,806.43x = 15,770,566.35 × 6,271,647.75 - Step 4: Simplify right side
11,427,806.43x = 98,907,436,965,203.20 - Step 5: Solve for x
x = 98,907,436,965,203.20/11,427,806.43 - Step 6: Final answer
x = 8,654,980.08
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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.