Finding the Fourth Proportional to 11,028,403.26, 16,527,471.12 and 6,977,639.55
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Solution
The fourth proportional to 11,028,403.26, 16,527,471.12 and 6,977,639.55 is: 10,456,884.23
Step by Step Solution
- Step 1: Write the proportion equation
11,028,403.26 : 16,527,471.12 = 6,977,639.55 : x - Step 2: Convert to fraction form
11,028,403.26/16,527,471.12 = 6,977,639.55/x - Step 3: Cross multiply
11,028,403.26x = 16,527,471.12 × 6,977,639.55 - Step 4: Simplify right side
11,028,403.26x = 115,322,736,148,394.78 - Step 5: Solve for x
x = 115,322,736,148,394.78/11,028,403.26 - Step 6: Final answer
x = 10,456,884.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.