Finding the Fourth Proportional to 11,427,181.52, 15,770,489.92 and 6,271,539.68
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Solution
The fourth proportional to 11,427,181.52, 15,770,489.92 and 6,271,539.68 is: 8,655,262.29
Step by Step Solution
- Step 1: Write the proportion equation
11,427,181.52 : 15,770,489.92 = 6,271,539.68 : x - Step 2: Convert to fraction form
11,427,181.52/15,770,489.92 = 6,271,539.68/x - Step 3: Cross multiply
11,427,181.52x = 15,770,489.92 × 6,271,539.68 - Step 4: Simplify right side
11,427,181.52x = 98,905,253,306,320.02 - Step 5: Solve for x
x = 98,905,253,306,320.02/11,427,181.52 - Step 6: Final answer
x = 8,655,262.29
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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.